# Introduction to Natural Sciences: Certificate Program

### Course Summary

You can earn an Introduction to Natural Sciences certificate by reviewing the study materials in this fun course. Once you've completed our video lessons and quizzes, add your certificate to your resume or social media profile to show prospective employers about your interest in this subject.
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25 Chapters in Introduction to Natural Sciences: Certificate Program

#### 25 chapters in Introduction to Natural Sciences: Certificate Program

Ch 1. Atomic Structure {{cp.topicAssetIdToProgress[2856].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - Early Atomic Theory: Dalton, Thomson, Rutherford and Millikan Score: {{cp.lessonAssetIdToProgress[1606].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1606].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - What Are Elements? Score: {{cp.lessonAssetIdToProgress[3218].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3218].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Atomic Number and Mass Number Score: {{cp.lessonAssetIdToProgress[1607].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1607].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Periodic Table: Properties of Groups and Periods Score: {{cp.lessonAssetIdToProgress[1614].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1614].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Ionic Bonds: Definitions and Examples Score: {{cp.lessonAssetIdToProgress[3800].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3800].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Polar and Nonpolar Covalent Bonds: Definitions and Examples Score: {{cp.lessonAssetIdToProgress[3801].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3801].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Covalent Bonding and Electron Shells: Definitions, Relationship & the Octet Rule Score: {{cp.lessonAssetIdToProgress[3802].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3802].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Chemical Bonds IV: Hydrogen Score: {{cp.lessonAssetIdToProgress[281].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[281].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - The Electron Shell Score: {{cp.lessonAssetIdToProgress[278].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[278].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Using Atoms and Ions to Determine Molecular Formulas Score: {{cp.lessonAssetIdToProgress[3220].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3220].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Matter: Physical and Chemical Properties Score: {{cp.lessonAssetIdToProgress[1603].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1603].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - States of Matter: Solids, Liquids, Gases, & Plasma Score: {{cp.lessonAssetIdToProgress[5362].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5362].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Phase Change: Evaporation, Condensation, Freezing, Melting, Sublimation & Deposition Score: {{cp.lessonAssetIdToProgress[5363].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5363].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Common Chemical Reactions and Energy Change Score: {{cp.lessonAssetIdToProgress[5364].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5364].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Chemical Reactions and Balancing Chemical Equations Score: {{cp.lessonAssetIdToProgress[1668].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1668].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Avogadro's Number: Using the Mole to Count Atoms Score: {{cp.lessonAssetIdToProgress[1609].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1609].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Mole-to-Mole Ratios and Calculations of a Chemical Equation Score: {{cp.lessonAssetIdToProgress[1669].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1669].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Nuclear Reaction: Definition & Examples Score: {{cp.lessonAssetIdToProgress[3881].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3881].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Half-life: Calculating Radioactive Decay and Interpreting Decay Graphs Score: {{cp.lessonAssetIdToProgress[1624].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1624].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Endothermic and Exothermic Reactions Score: {{cp.lessonAssetIdToProgress[5365].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5365].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - What is Energy? - Definition and Significance in Nature Score: {{cp.lessonAssetIdToProgress[2537].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2537].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Kinetic Energy to Potential Energy: Relationship in Different Energy Types Score: {{cp.lessonAssetIdToProgress[2545].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2545].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - First Law of Thermodynamics: Law of Conservation of Energy Score: {{cp.lessonAssetIdToProgress[2544].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2544].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Second Law of Thermodynamics: Entropy and Systems Score: {{cp.lessonAssetIdToProgress[2546].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2546].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - What is Mechanical Energy? - Definition & Examples Score: {{cp.lessonAssetIdToProgress[2538].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2538].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - What is Thermal Energy? - Definition & Examples Score: {{cp.lessonAssetIdToProgress[2539].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2539].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - What is Radiant Energy? - Definition & Examples Score: {{cp.lessonAssetIdToProgress[2540].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2540].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - What is Chemical Energy? - Definition & Examples Score: {{cp.lessonAssetIdToProgress[2541].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2541].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - What is Electrical Energy? - Definition & Examples Score: {{cp.lessonAssetIdToProgress[2542].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2542].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - What is Nuclear Energy? - Definition & Examples Score: {{cp.lessonAssetIdToProgress[2543].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2543].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - How to Calculate Specific Heat Capacity for Different Substances Score: {{cp.lessonAssetIdToProgress[2548].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2548].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Changes in Heat and Energy Diagrams Score: {{cp.lessonAssetIdToProgress[2549].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2549].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Energy and Life: The Transformation of Energy in Living Organisms Score: {{cp.lessonAssetIdToProgress[2550].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2550].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Speed and Velocity: Concepts and Formulas Score: {{cp.lessonAssetIdToProgress[2552].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2552].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - What is Acceleration? - Definition and Formula Score: {{cp.lessonAssetIdToProgress[2553].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2553].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Implications of Mechanics on Objects Score: {{cp.lessonAssetIdToProgress[2554].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2554].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Newton's First Law of Motion: Examples of the Effect of Force on Motion Score: {{cp.lessonAssetIdToProgress[2555].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2555].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Newton's Second Law of Motion: The Relationship Between Force and Acceleration Score: {{cp.lessonAssetIdToProgress[2556].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2556].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Newton's Third Law of Motion: Examples of the Relationship Between Two Forces Score: {{cp.lessonAssetIdToProgress[2557].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2557].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Newton's Laws and Weight, Mass & Gravity Score: {{cp.lessonAssetIdToProgress[2558].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2558].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Electric Charge and Force: Definition, Repulsion & Attraction Score: {{cp.lessonAssetIdToProgress[3968].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3968].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Electric Force Fields and the Significance of Arrow Direction & Spacing Score: {{cp.lessonAssetIdToProgress[3969].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3969].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Coulomb's Law: Variables Affecting the Force Between Two Charged Particles Score: {{cp.lessonAssetIdToProgress[3970].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3970].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Electric Potential: Charge Collections and Volt Unit Score: {{cp.lessonAssetIdToProgress[3971].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3971].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Insulators and Conductors: Examples, Definitions & Qualities Score: {{cp.lessonAssetIdToProgress[3972].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3972].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Voltage Sources: Energy Conversion and Examples Score: {{cp.lessonAssetIdToProgress[3973].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3973].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - What is Electric Current? - Definition, Unit & Types Score: {{cp.lessonAssetIdToProgress[3974].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3974].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Electrical Resistance: Definition, Unit & Variables Score: {{cp.lessonAssetIdToProgress[3975].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3975].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Ohm's Law: Definition & Relationship Between Voltage, Current & Resistance Score: {{cp.lessonAssetIdToProgress[3976].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3976].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Electric Circuit Fundamentals: Components & Types Score: {{cp.lessonAssetIdToProgress[3977].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3977].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - What is Electric Power? Score: {{cp.lessonAssetIdToProgress[3978].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3978].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Vibrations and Waves: Energy and Motion Score: {{cp.lessonAssetIdToProgress[4910].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4910].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Wave Parameters: Wavelength, Amplitude, Period, Frequency & Speed Score: {{cp.lessonAssetIdToProgress[5506].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5506].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Transverse & Longitudinal Waves: Definition & Examples Score: {{cp.lessonAssetIdToProgress[4911].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4911].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - What is Sound? - Definition and Factors Affecting the Speed of Sound Score: {{cp.lessonAssetIdToProgress[4912].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4912].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Pitch and Volume in Sound Waves Score: {{cp.lessonAssetIdToProgress[5494].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5494].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Electromagnetic Waves: Definition, Sources & Properties Score: {{cp.lessonAssetIdToProgress[4913].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4913].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - The 7 Major Regions of the Electromagnetic Spectrum Score: {{cp.lessonAssetIdToProgress[6836].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[6836].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - The Nature of Light: Origin, Spectrum & Color Frequency Score: {{cp.lessonAssetIdToProgress[4914].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4914].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Reflection: Angle of Incidence and Curved Surfaces Score: {{cp.lessonAssetIdToProgress[4915].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4915].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Diffuse Reflection: Definition, Examples & Surfaces Score: {{cp.lessonAssetIdToProgress[6857].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[6857].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Resonance: Definition & Transmission of Waves Score: {{cp.lessonAssetIdToProgress[4916].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4916].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Transparent and Opaque Materials in Electromagnetic Waves Score: {{cp.lessonAssetIdToProgress[4917].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4917].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Color: White Light, Reflection & Absorption Score: {{cp.lessonAssetIdToProgress[4918].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4918].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - Refraction & Dispersion: Definition, Snell's Law & Index of Refraction Score: {{cp.lessonAssetIdToProgress[4919].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4919].bestScoreQuestions}}  Take Quiz Optional
Lesson 15 - Diffraction: Relation to Sound & Light and Effects of Wavelength Score: {{cp.lessonAssetIdToProgress[4920].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4920].bestScoreQuestions}}  Take Quiz Optional
Lesson 16 - Constructive and Destructive Interference Score: {{cp.lessonAssetIdToProgress[4921].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4921].bestScoreQuestions}}  Take Quiz Optional
Lesson 17 - The Doppler Effect: Definition, Examples & Applications Score: {{cp.lessonAssetIdToProgress[4922].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4922].bestScoreQuestions}}  Take Quiz Optional
Lesson 18 - Wave-Particle Duality: Concept, Explanation & Examples Score: {{cp.lessonAssetIdToProgress[4923].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4923].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Origins of the Universe: The Big Bang and Expanding & Contracting Universes Score: {{cp.lessonAssetIdToProgress[2953].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2953].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Evidence for the Big Bang Theory: Background Radiation, Red-Shift and Expansion Score: {{cp.lessonAssetIdToProgress[2954].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2954].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Star Formation: Main Sequence, Dwarf & Giant Stars Score: {{cp.lessonAssetIdToProgress[2955].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2955].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Types of Telescopes: Radio, Reflecting & Refracting Telescopes Score: {{cp.lessonAssetIdToProgress[2956].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2956].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Galaxy Formation: Spiral, Elliptical & Irregular Galaxies Score: {{cp.lessonAssetIdToProgress[2957].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2957].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Types of Stars by Size, Color and Life Cycle Score: {{cp.lessonAssetIdToProgress[2958].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2958].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Structure of the Sun Score: {{cp.lessonAssetIdToProgress[3200].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3200].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Stages of the Sun's Life Cycle Score: {{cp.lessonAssetIdToProgress[2959].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2959].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Supernova and Supergiant Star Life Cycle Score: {{cp.lessonAssetIdToProgress[2961].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2961].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Life Cycle of Neutron Stars Score: {{cp.lessonAssetIdToProgress[3209].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3209].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Life Cycle of Black Holes Score: {{cp.lessonAssetIdToProgress[2962].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2962].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Inner Planets of the Solar System: Mercury, Venus, Earth & Mars Score: {{cp.lessonAssetIdToProgress[2963].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2963].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Formation of the Earth: Theories Score: {{cp.lessonAssetIdToProgress[2964].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2964].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - Formation of the Moon: Theories Score: {{cp.lessonAssetIdToProgress[2965].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2965].bestScoreQuestions}}  Take Quiz Optional
Lesson 15 - Planetary Predictors of Extraterrestrial Life Score: {{cp.lessonAssetIdToProgress[2966].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2966].bestScoreQuestions}}  Take Quiz Optional
Lesson 16 - Outer Planets of the Solar System: Jupiter, Saturn, Uranus, Neptune Score: {{cp.lessonAssetIdToProgress[2967].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2967].bestScoreQuestions}}  Take Quiz Optional
Lesson 17 - Dwarf Planets of the Solar System: Pluto, Eris, Haumea & Ceres Score: {{cp.lessonAssetIdToProgress[2968].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2968].bestScoreQuestions}}  Take Quiz Optional
Lesson 18 - Asteroids, Meteorites & Comets: Definitions and Characteristics Score: {{cp.lessonAssetIdToProgress[2969].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2969].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Effect of Erosion and Deposition on Landforms Score: {{cp.lessonAssetIdToProgress[2526].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2526].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - How a Landform Diagram Describes the Geological Progression of a Landscape Score: {{cp.lessonAssetIdToProgress[2527].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2527].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Earthquakes and Volcanoes: Evidence of Earth's Inner Layers Score: {{cp.lessonAssetIdToProgress[2528].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2528].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Rock Cycle: Igneous, Sedimentary, and Metamorphic Rocks Score: {{cp.lessonAssetIdToProgress[2529].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2529].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Alfred Wegener's Theory of Continental Drift Score: {{cp.lessonAssetIdToProgress[2530].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2530].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Evidence for the Mechanism of Continental Drift Score: {{cp.lessonAssetIdToProgress[2531].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2531].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Plate Tectonics: A Unified Theory for Change of the Earth's Surface Score: {{cp.lessonAssetIdToProgress[2532].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2532].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Causes of Tectonic Plate Movement Score: {{cp.lessonAssetIdToProgress[2533].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2533].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Plate Boundaries: Convergent, Divergent, and Transform Boundaries Score: {{cp.lessonAssetIdToProgress[2534].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2534].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Structure and Function of Carbohydrates Score: {{cp.lessonAssetIdToProgress[687].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[687].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Structure and Function of Lipids Score: {{cp.lessonAssetIdToProgress[688].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[688].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Proteins I: Structure and Function Score: {{cp.lessonAssetIdToProgress[290].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[290].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Proteins II: Amino Acids, Polymerization and Peptide Bonds Score: {{cp.lessonAssetIdToProgress[292].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[292].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Proteins III: Structure and Characteristics of the 20 Amino Acids Score: {{cp.lessonAssetIdToProgress[291].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[291].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - DNA: Chemical Structure of Nucleic Acids & Phosphodiester Bonds Score: {{cp.lessonAssetIdToProgress[2179].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2179].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - DNA: Adenine, Guanine, Cytosine, Thymine & Complementary Base Pairing Score: {{cp.lessonAssetIdToProgress[2180].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2180].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - DNA: Discovery, Facts, Structure & Function in Heredity Score: {{cp.lessonAssetIdToProgress[2181].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2181].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Differences Between RNA and DNA & Types of RNA (mRNA, tRNA & rRNA) Score: {{cp.lessonAssetIdToProgress[2182].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2182].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Osmosis, Diffusion and Saturation Score: {{cp.lessonAssetIdToProgress[1497].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1497].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - The Fluid Mosaic Model of the Cell Membrane Score: {{cp.lessonAssetIdToProgress[2628].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2628].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - How a Phospholipid Bilayer Is Both Hydrophobic and Hydrophilic Score: {{cp.lessonAssetIdToProgress[2627].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2627].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Passive Transport in Cells: Simple and Facilitated Diffusion & Osmosis Score: {{cp.lessonAssetIdToProgress[2629].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2629].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Active Transport in Cells: Definition & Examples Score: {{cp.lessonAssetIdToProgress[2910].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2910].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Endocytosis and Exocytosis Across the Cell Membrane Score: {{cp.lessonAssetIdToProgress[2630].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2630].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Structure of the Nucleus: Nucleolus, Nuclear Membrane, and Nuclear Pores Score: {{cp.lessonAssetIdToProgress[2631].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2631].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - The Ribosome: Structure, Function and Location Score: {{cp.lessonAssetIdToProgress[2632].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2632].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - The Endomembrane System: Functions & Components Score: {{cp.lessonAssetIdToProgress[2999].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2999].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - The Cytoskeleton: Microtubules and Microfilaments Score: {{cp.lessonAssetIdToProgress[2633].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2633].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Mitochondria Structure: Cristae, Matrix and Inner & Outer Membrane Score: {{cp.lessonAssetIdToProgress[2634].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2634].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Chloroplast Structure: Chlorophyll, Stroma, Thylakoid, and Grana Score: {{cp.lessonAssetIdToProgress[2635].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2635].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Plant Cell Structures: The Cell Wall and Central Vacuole Score: {{cp.lessonAssetIdToProgress[2636].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2636].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - Eukaryotic and Prokaryotic Cells: Similarities and Differences Score: {{cp.lessonAssetIdToProgress[2637].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2637].bestScoreQuestions}}  Take Quiz Optional
Lesson 15 - Viruses: Bacteriophage Lytic and Lysogenic Cycles Score: {{cp.lessonAssetIdToProgress[2638].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2638].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Function of Enzymes: Substrate, Active Site & Activation Energy Score: {{cp.lessonAssetIdToProgress[3196].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3196].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Enzyme Activity & Inhibition: Structure, Substrates, pH & Temperature Score: {{cp.lessonAssetIdToProgress[3197].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3197].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Coenzymes, Cofactors & Prosthetic Groups: Function and Interactions Score: {{cp.lessonAssetIdToProgress[3198].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3198].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Enzymatic Reactions: Inhibition and Regulation Score: {{cp.lessonAssetIdToProgress[3199].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3199].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Cellular Respiration: Energy Transfer in Cells Score: {{cp.lessonAssetIdToProgress[330].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[330].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Redox Reactions & Electron Carriers in Cellular Respiration: Definitions and Examples Score: {{cp.lessonAssetIdToProgress[329].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[329].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Glycolysis Pathway: Steps, Products & Importance Score: {{cp.lessonAssetIdToProgress[331].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[331].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - The Citric Acid (Krebs) Cycle: Products and Steps Score: {{cp.lessonAssetIdToProgress[332].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[332].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - The Electron Transport Chain: Products and Steps Score: {{cp.lessonAssetIdToProgress[333].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[333].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Lactic Acid & Alcoholic Fermentation: Comparison, Contrast & Examples Score: {{cp.lessonAssetIdToProgress[2461].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2461].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Chlorophyll: Absorbing Light Energy for Photosynthesis Score: {{cp.lessonAssetIdToProgress[334].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[334].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Photolysis and the Light Reactions: Definitions, Steps, Reactants & Products Score: {{cp.lessonAssetIdToProgress[335].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[335].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Dark Reactions of Photosynthesis: The Calvin-Benson Cycle Score: {{cp.lessonAssetIdToProgress[336].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[336].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Protein Synthesis in the Cell and the Central Dogma Score: {{cp.lessonAssetIdToProgress[2564].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2564].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Transcription of Messenger RNA (mRNA) from DNA Score: {{cp.lessonAssetIdToProgress[2565].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2565].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - RNA Processing in a Eukaryotic Cell: Splicing of Introns & Exons Score: {{cp.lessonAssetIdToProgress[2568].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2568].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - What Is the Genetic Code That Translates RNA Into Amino Acids? Score: {{cp.lessonAssetIdToProgress[2569].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2569].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Making Sense of the Genetic Code: Codon Recognition Score: {{cp.lessonAssetIdToProgress[3146].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3146].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Codon Recognition: How tRNA and Anticodons Interpret the Genetic Code Score: {{cp.lessonAssetIdToProgress[2570].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2570].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - The Role of Ribosomes and Peptide Bonds in Genetic Translation Score: {{cp.lessonAssetIdToProgress[3147].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3147].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Translation of mRNA to Protein: Initiation, Elongation & Termination Steps Score: {{cp.lessonAssetIdToProgress[2571].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2571].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - What is a Point Mutation? - Definition, Causes & Types Score: {{cp.lessonAssetIdToProgress[2572].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2572].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Effects of Mutations on Protein Function: Missense, Nonsense, and Silent Mutations Score: {{cp.lessonAssetIdToProgress[2574].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2574].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Effects of Frameshift Mutations: Definitions and Examples Score: {{cp.lessonAssetIdToProgress[3148].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3148].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Mutagens: How the Environment Affects Mutation Rates Score: {{cp.lessonAssetIdToProgress[3166].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3166].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Basic Genetics: The Genome & Chromosomes Score: {{cp.lessonAssetIdToProgress[146].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[146].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - How is DNA Organized into Chromosomes? - Structure & Function Score: {{cp.lessonAssetIdToProgress[147].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[147].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Cell Cycle: Definition, Phases & Sequence Score: {{cp.lessonAssetIdToProgress[148].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[148].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Mitotic Spindle: Definition, Formation & Function Score: {{cp.lessonAssetIdToProgress[337].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[337].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Stages of Mitosis: Description & Sequence Score: {{cp.lessonAssetIdToProgress[338].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[338].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Cytokinesis: Animal Versus Plant Cells Score: {{cp.lessonAssetIdToProgress[342].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[342].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Asexual vs. Sexual Reproduction: Comparison & Characteristics Score: {{cp.lessonAssetIdToProgress[684].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[684].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Meiosis: Comparison to Mitosis, Crossing Over & Process Score: {{cp.lessonAssetIdToProgress[339].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[339].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Meiosis I Stages: Prophase I, Metaphase I, Anaphase I & Telophase I Score: {{cp.lessonAssetIdToProgress[692].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[692].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Meiosis II: Definition, Stages & Comparison to Meiosis I Score: {{cp.lessonAssetIdToProgress[691].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[691].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Classification of Vascular, Nonvascular, Monocot & Dicot Plants Score: {{cp.lessonAssetIdToProgress[344].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[344].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Structure of Plant Stems: Vascular and Ground Tissue Score: {{cp.lessonAssetIdToProgress[345].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[345].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Apical Meristem & Primary Shoot System Growth Score: {{cp.lessonAssetIdToProgress[346].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[346].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Lateral Meristem & Secondary Shoot System Growth Score: {{cp.lessonAssetIdToProgress[2430].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2430].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Structure of Leaves: The Epidermis, Palisade and Spongy Layers Score: {{cp.lessonAssetIdToProgress[347].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[347].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Primary Root Tissue, Root Hairs and the Plant Vascular Cylinder Score: {{cp.lessonAssetIdToProgress[348].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[348].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Root System Growth: The Root Cap, Primary Roots & Lateral Roots Score: {{cp.lessonAssetIdToProgress[349].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[349].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Flowers: Structure and Function of Male & Female Components Score: {{cp.lessonAssetIdToProgress[353].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[353].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Alternation of Generations: The Gametophyte and Sporophyte Score: {{cp.lessonAssetIdToProgress[356].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[356].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - A Moss Life Cycle: Dominant Gametophyte Score: {{cp.lessonAssetIdToProgress[2575].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2575].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - A Fern Life Cycle: Plant Reproduction Without Flowers or Seeds Score: {{cp.lessonAssetIdToProgress[355].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[355].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - A Gymnosperm Life Cycle: Reproduction of Plants with 'Naked Seeds' Score: {{cp.lessonAssetIdToProgress[357].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[357].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - An Angiosperm Life Cycle: Flowering Plant Reproduction Score: {{cp.lessonAssetIdToProgress[358].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[358].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - Asexual Plant Reproduction: Vegetative Propagation and Bulbs Score: {{cp.lessonAssetIdToProgress[359].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[359].bestScoreQuestions}}  Take Quiz Optional
Lesson 15 - Tropisms: Phototropic, Geotropic and Thigmotropic Plant Growth Score: {{cp.lessonAssetIdToProgress[360].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[360].bestScoreQuestions}}  Take Quiz Optional
Lesson 16 - Seasonal Growth Cycles: Perennial, Annual and Biennial Plants Score: {{cp.lessonAssetIdToProgress[2465].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2465].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Multicellular Organisms, Tissues and Epithelium Score: {{cp.lessonAssetIdToProgress[1178].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1178].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Types of Connective Tissue Score: {{cp.lessonAssetIdToProgress[1179].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1179].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Skeletal System and Muscular System Score: {{cp.lessonAssetIdToProgress[372].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[372].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Axial Skeleton: Functions and Anatomy Score: {{cp.lessonAssetIdToProgress[2844].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2844].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Appendicular Skeleton: Functions and Anatomy Score: {{cp.lessonAssetIdToProgress[2845].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2845].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Muscle Contraction: Actin and Myosin Bonding Score: {{cp.lessonAssetIdToProgress[2846].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2846].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - What Is the Muscular System? - Function & How Muscles Work in Groups Score: {{cp.lessonAssetIdToProgress[2847].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2847].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Muscular Function and Anatomy of the Arms: Major Muscle Groups Score: {{cp.lessonAssetIdToProgress[2848].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2848].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Muscular Function and Anatomy of the Upper Leg Score: {{cp.lessonAssetIdToProgress[9777].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9777].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Muscular Function and Anatomy of the Lower Leg and Foot Score: {{cp.lessonAssetIdToProgress[10201].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10201].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Function & Anatomy of the Muscles of the Chest and Abdomen Score: {{cp.lessonAssetIdToProgress[2849].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2849].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Function & Anatomy of the Muscles of the Face, Neck & Back Score: {{cp.lessonAssetIdToProgress[10802].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10802].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Homologous Structures: Comparison of Body Structures Across Species Score: {{cp.lessonAssetIdToProgress[10072].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10072].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - The Integumentary System: The Epidermal Layer Score: {{cp.lessonAssetIdToProgress[2851].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2851].bestScoreQuestions}}  Take Quiz Optional
Lesson 15 - The Integumentary System: The Dermal Layer Score: {{cp.lessonAssetIdToProgress[10445].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10445].bestScoreQuestions}}  Take Quiz Optional
Lesson 16 - The Integumentary System Accessory Structures: Hair Score: {{cp.lessonAssetIdToProgress[10446].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10446].bestScoreQuestions}}  Take Quiz Optional
Lesson 17 - The Integumentary System Accessory Structures: Nails Score: {{cp.lessonAssetIdToProgress[12416].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12416].bestScoreQuestions}}  Take Quiz Optional
Lesson 18 - The Integumentary System Accessory Structures: Glands Score: {{cp.lessonAssetIdToProgress[12417].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[12417].bestScoreQuestions}}  Take Quiz Optional
Lesson 19 - Circulatory System I: Types of Circulatory Systems Score: {{cp.lessonAssetIdToProgress[374].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[374].bestScoreQuestions}}  Take Quiz Optional
Lesson 20 - Circulatory System II: The Human Vascular System Score: {{cp.lessonAssetIdToProgress[375].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[375].bestScoreQuestions}}  Take Quiz Optional
Lesson 21 - Circulatory System III: The Heart Score: {{cp.lessonAssetIdToProgress[376].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[376].bestScoreQuestions}}  Take Quiz Optional
Lesson 22 - Circulatory System IV: Red Blood Cells Score: {{cp.lessonAssetIdToProgress[1183].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1183].bestScoreQuestions}}  Take Quiz Optional
Lesson 23 - Gas Exchange in the Human Respiratory System Score: {{cp.lessonAssetIdToProgress[373].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[373].bestScoreQuestions}}  Take Quiz Optional
Lesson 24 - Digestive System I: The Upper Gastrointestinal Tract Score: {{cp.lessonAssetIdToProgress[377].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[377].bestScoreQuestions}}  Take Quiz Optional
Lesson 25 - Digestive System II: The Lower Gastrointestinal Tract Score: {{cp.lessonAssetIdToProgress[378].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[378].bestScoreQuestions}}  Take Quiz Optional
Lesson 26 - Excretory System Score: {{cp.lessonAssetIdToProgress[379].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[379].bestScoreQuestions}}  Take Quiz Optional
Lesson 27 - Homeostasis and Temperature Regulation in Humans Score: {{cp.lessonAssetIdToProgress[382].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[382].bestScoreQuestions}}  Take Quiz Optional
Lesson 28 - Functions of the Nervous System Score: {{cp.lessonAssetIdToProgress[1299].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1299].bestScoreQuestions}}  Take Quiz Optional
Lesson 29 - The Structure and Function of Neurons Score: {{cp.lessonAssetIdToProgress[364].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[364].bestScoreQuestions}}  Take Quiz Optional
Lesson 30 - The Central and Peripheral Nervous Systems Score: {{cp.lessonAssetIdToProgress[366].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[366].bestScoreQuestions}}  Take Quiz Optional
Lesson 31 - The Sympathetic and Parasympathetic Nervous Systems Score: {{cp.lessonAssetIdToProgress[368].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[368].bestScoreQuestions}}  Take Quiz Optional
Lesson 32 - Brain Structures and Functions Part I Score: {{cp.lessonAssetIdToProgress[369].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[369].bestScoreQuestions}}  Take Quiz Optional
Lesson 33 - The Cerebral Cortex: Brain Structures and Functions Part II Score: {{cp.lessonAssetIdToProgress[370].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[370].bestScoreQuestions}}  Take Quiz Optional
Lesson 34 - Innate Immunity: Inflammation, Neutrophils & Natural Killer Cells Score: {{cp.lessonAssetIdToProgress[380].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[380].bestScoreQuestions}}  Take Quiz Optional
Lesson 35 - Acquired Immunity: T Cells, B Cells and Antibodies Score: {{cp.lessonAssetIdToProgress[381].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[381].bestScoreQuestions}}  Take Quiz Optional
Lesson 36 - Functions of the Lymphatic System Score: {{cp.lessonAssetIdToProgress[3175].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3175].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Overview of Animal Reproduction and Development Score: {{cp.lessonAssetIdToProgress[385].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[385].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Spermatogenesis: How the Male Reproductive System Produces Sperm Score: {{cp.lessonAssetIdToProgress[386].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[386].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Oogenesis: How the Female Reproductive System Produces Eggs Score: {{cp.lessonAssetIdToProgress[387].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[387].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Early Embryonic Development: The Morula and Blastula Score: {{cp.lessonAssetIdToProgress[388].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[388].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Embryo Implantation and Placenta Formation Score: {{cp.lessonAssetIdToProgress[2421].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2421].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - The Placenta and the Fetus: Structure and Function Score: {{cp.lessonAssetIdToProgress[391].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[391].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Amniotic Fluid, The Amnion, and the Yolk Sac Score: {{cp.lessonAssetIdToProgress[390].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[390].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Genetics: Heredity, Traits & Chromosomes Score: {{cp.lessonAssetIdToProgress[394].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[394].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Properties of Alleles Score: {{cp.lessonAssetIdToProgress[395].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[395].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Mendel's First Law: The Law of Segregation Score: {{cp.lessonAssetIdToProgress[396].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[396].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Application of Mendel's First Law Score: {{cp.lessonAssetIdToProgress[397].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[397].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Mendel's Second Law: The Law of Independent Assortment Score: {{cp.lessonAssetIdToProgress[398].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[398].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Mendel's Dihybrid Cross Example: Practice & Ratio Score: {{cp.lessonAssetIdToProgress[399].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[399].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Exceptions to Simple Dominance: Codominance and Incomplete Dominance Score: {{cp.lessonAssetIdToProgress[665].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[665].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Exceptions to Independent Assortment: Sex Linked and Sex Limited Traits Score: {{cp.lessonAssetIdToProgress[666].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[666].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Crossing Over & Gene Linkage: Definition, Importance & Results Score: {{cp.lessonAssetIdToProgress[667].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[667].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Human Genetics: Multifactorial Traits & Model Organisms Score: {{cp.lessonAssetIdToProgress[1177].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1177].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - The Environment, Levels of Ecology and Ecosystems Score: {{cp.lessonAssetIdToProgress[405].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[405].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Food Chains, Trophic Levels and Energy Flow in an Ecosystem Score: {{cp.lessonAssetIdToProgress[414].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[414].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Interspecific Competition, Competitive Exclusion & Niche Differentiation Score: {{cp.lessonAssetIdToProgress[2177].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2177].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Predator/Prey Interactions, Camouflage, Mimicry & Warning Coloration Score: {{cp.lessonAssetIdToProgress[2175].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2175].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Symbiotic Relationships: Mutualism, Commensalism & Parasitism Score: {{cp.lessonAssetIdToProgress[413].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[413].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Populations: Density, Survivorship and Life Histories Score: {{cp.lessonAssetIdToProgress[2178].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2178].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Carrying Capacity, Migration & Dispersion Score: {{cp.lessonAssetIdToProgress[411].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[411].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Dispersal, Colonization, and Island Biogeography Score: {{cp.lessonAssetIdToProgress[417].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[417].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Conservation Biology, Habitat Fragmentation, and Metapopulations Score: {{cp.lessonAssetIdToProgress[2369].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2369].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Ecological Succession: From Pioneer to Climax Communities Score: {{cp.lessonAssetIdToProgress[416].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[416].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Theories of Evolution: Lamarck vs. Darwin Score: {{cp.lessonAssetIdToProgress[419].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[419].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Hardy Weinberg Equilibrium I: Overview Score: {{cp.lessonAssetIdToProgress[421].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[421].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Hardy Weinberg Equilibrium II: The Equation Score: {{cp.lessonAssetIdToProgress[1180].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1180].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Natural Selection & Adaptation: Definition, Theory & Examples Score: {{cp.lessonAssetIdToProgress[425].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[425].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Natural Selection: Definition, Types & Examples Score: {{cp.lessonAssetIdToProgress[427].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[427].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Speciation: Allopatric and Sympatric Speciation Score: {{cp.lessonAssetIdToProgress[428].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[428].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Prezygotic Reproductive Barriers & Speciation: Definition & Examples Score: {{cp.lessonAssetIdToProgress[429].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[429].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Postzygotic Reproductive Barriers: Definition & Examples Score: {{cp.lessonAssetIdToProgress[430].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[430].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Taxonomy: Classification and Naming of Living Things Score: {{cp.lessonAssetIdToProgress[3127].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3127].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Cladograms and Phylogenetic Trees: Evolution Classifications Score: {{cp.lessonAssetIdToProgress[3128].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3128].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Evolution of Prokaryotes: Archaebacteria and Eubacteria Score: {{cp.lessonAssetIdToProgress[3129].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3129].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Evolution of Protists: Importance & Evolutionary History Score: {{cp.lessonAssetIdToProgress[3130].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3130].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The Evolution of Plants and Fungi: Characteristics & Evolutionary History Score: {{cp.lessonAssetIdToProgress[3131].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3131].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - The Evolution of Animals: Importance & Evolutionary History Score: {{cp.lessonAssetIdToProgress[3132].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3132].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - The Evolution of Humans: Characteristics & Evolutionary History Score: {{cp.lessonAssetIdToProgress[3133].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3133].bestScoreQuestions}}  Take Quiz Optional

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