About This Chapter
How it works:
- Identify the lessons in Prentice Hall Biology The History of Life chapter with which you need help.
- Find the corresponding video lessons within this companion course chapter.
- Watch fun videos that cover the history of life topics you need to learn or review.
- Complete the quizzes to test your understanding.
- If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.
Students will learn:
- Methods of geological dating
- Relative dating with fossils
- Radiometric dating
- Geologic time scale
- The Earth's atmosphere
- Theories and explanations of the origin of life on Earth
- The endosymbiosis theory
- Timeline and characteristics of major eras in the history of life on Earth
- Predator/prey interactions
- Rates of evolution
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1. Methods of Geological Dating: Numerical and Relative Dating
Learn how scientists determine the ages of rocks and fossils. We'll explore both relative and numerical dating on our quest to understand the process of geological dating. Along the way, we'll learn how stratigraphic succession and radioactive decay contribute to the work of paleontologists.
2. Relative Dating with Fossils: Index Fossils as Indicators of Time
You may already know how to date a fossil with a rock. But did you know that we can also date a rock with a fossil? Watch this video to find out how we use index fossils to establish the relative ages of rocks.
3. Radiometric Dating: Methods, Uses & the Significance of Half-Life
Radiometric dating is used to estimate the age of rocks and other objects based on the fixed decay rate of radioactive isotopes. Learn about half-life and how it is used in different dating methods, such as uranium-lead dating and radiocarbon dating, in this video lesson.
4. Geologic Time Scale: Major Eons, Eras, Periods and Epochs
The geologic time scale is an essential tool for understanding the history of Earth and the evolution of life. In this lesson, explore the principal eons, eras, periods, and epochs that help us track major events in geologic history.
5. The Atmosphere on Earth
This lesson describes the evolution of the Earth's atmosphere, from its ancient past to the present day to how it's being changed by humans today. You'll learn about how outgassing, photosynthesis, and oceans all played a role in its formation, what air is composed of, and the real effect of human pollution on our changing atmosphere.
6. The Origin of Life on Earth: Theories and Explanations
Ever wonder how living things came from non-living things? We will explore what conditions on early Earth may have created life from non-living items.
7. The Endosymbiosis Theory: Evolution of Cells
Ever wonder why some cells are very simple and others are complex with countless organelles to remember? We will look at how simple cells evolved to become more complex cells - as well as evidence to support this.
8. The History of Life on Earth: Timeline and Characteristics of Major Eras
The Earth is over 4 billion years old. Ever wonder what happened during certain time periods in that large amount of time? We will look at the major eons and eras of Earth's history along with important characteristics of each.
9. What Is Extinction? - Defining Background and Mass Extinction
In this lesson you'll discover what the term 'extinction' means as well as learn the two different types of extinction: mass extinction and background extinction. You will also discover how humans contribute to extinction events.
10. Predator/Prey Interactions, Camouflage, Mimicry & Warning Coloration
You probably know that skunks can be quite stinky, bees sting and monarch butterflies are pretty, but do you know why? This lesson will introduce you to the reasons why some animals look or act the way they do and how these things relate to the predator/prey relationship.
11. Rates of Evolution: Punctuated Equilibrium & Molecular Clock Hypothesis
In general, evolution is a very long process. But rates of evolution can be different for different organisms. In this video lesson, you will identify how scientists study rates of evolution and fill in some of the missing 'steps' in the fossil record.
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Other chapters within the Prentice Hall Biology: Online Textbook Help course
- Prentice Hall Biology Chapter 1: The Science of Biology
- Prentice Hall Biology Chapter 2: The Chemistry of Life
- Prentice Hall Biology Chapter 3: The Biosphere
- Prentice Hall Biology Chapter 4: Ecosystems and Communities
- Prentice Hall Biology Chapter 5: Populations
- Prentice Hall Biology Chapter 6: Humans in the Biosphere
- Prentice Hall Biology Chapter 7: Cell Structure and Function
- Prentice Hall Biology Chapter 8: Photosynthesis
- Prentice Hall Biology Chapter 9: Cellular Respiration
- Prentice Hall Biology Chapter 10: Cell Growth and Division
- Prentice Hall Biology Chapter 11: Introduction to Genetics
- Prentice Hall Biology Chapter 12: DNA and RNA
- Prentice Hall Biology Chapter 13: Genetic Engineering
- Prentice Hall Biology Chapter 14: The Human Genome
- Prentice Hall Biology Chapter 15: Darwin's Theory of Evolution
- Prentice Hall Biology Chapter 16: Evolution of Populations
- Prentice Hall Biology Chapter 18: Classification
- Prentice Hall Biology Chapter 19: Bacteria and Viruses
- Prentice Hall Biology Chapter 20: Protists
- Prentice Hall Biology Chapter 21: Fungi
- Prentice Hall Biology Chapter 22: Plant Diversity
- Prentice Hall Biology Chapter 23: Roots, Stems, and Leaves
- Prentice Hall Biology Chapter 24: Reproduction of Seed Plants
- Prentice Hall Biology Chapter 25: Plant Responses and Adaptations
- Prentice Hall Biology Chapter 26: Sponges and Cnidarians
- Prentice Hall Biology Chapter 27: Worms and Mollusks
- Prentice Hall Biology Chapter 28: Arthropods and Echinoderms
- Prentice Hall Biology Chapter 29: Comparing Invertebrates
- Prentice Hall Biology Chapter 30: Nonvertebrate Chordates, Fishes, and Amphibians
- Prentice Hall Biology Chapter 31: Reptiles and Birds
- Prentice Hall Biology Chapter 32: Mammals
- Prentice Hall Biology Chapter 33: Comparing Chordates
- Prentice Hall Biology Chapter 34: Animal Behavior
- Prentice Hall Biology Chapter 35: Nervous System
- Prentice Hall Biology Chapter 36: Skeletal, Muscular, and Integumentary Systems
- Prentice Hall Biology Chapter 37: Circulatory and Respiratory Systems
- Prentice Hall Biology Chapter 38: Digestive and Excretory Systems
- Prentice Hall Biology Chapter 39: Endocrine and Reproductive Systems
- Prentice Hall Biology Chapter 40: The Immune System and Disease