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ILTS Science - Biology (105): Practice and Study Guide

  • Course type: Self-paced
  • Available Lessons: 445
  • Average Lesson Length: 8 min
  • New lessons are still being added
  • Watch a preview:

    The Nature of Science
    chapter 1 / lesson 1
    The Nature of Science

  • ILTS Science - Biology (105): Practice and Study Guide Practice Test
  • This course can be found in: ILTS Test Prep

    Thousands of practice questions, 30+ ILTS study guides, and 4,000+ test prep video lessons

Course Summary

Use these engaging lessons to prepare for the ILTS Biology test. The video lessons provide excellent, easy-to-use guides and the lesson quizzes make sure you're prepared to answer questions like those found on the exam.
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58 chapters in ILTS Science - Biology (105): Practice and Study Guide

Course Practice Test

Check your knowledge of this course with a 50-question practice test.
  • Comprehensive test covering all topics
  • Detailed video explanations for wrong answers
Week {{::cp.getGoalWeekForTopic(36, 58)}}
Course Progress Best Score
Lesson 1 - The Environment, Levels of Ecology and Ecosystems  Take Quiz
Lesson 2 - Ecosystems, Habitats and Ecological Niches  Take Quiz
Lesson 3 - Food Chains, Trophic Levels and Energy Flow in an Ecosystem  Take Quiz
Lesson 4 - Interspecific Competition, Competitive Exclusion & Niche Differentiation  Take Quiz
Lesson 5 - Predator/Prey Interactions, Camouflage, Mimicry & Warning Coloration  Take Quiz
Lesson 6 - Symbiotic Relationships: Mutualism, Commensalism & Parasitism  Take Quiz
Lesson 7 - Populations: Density, Survivorship and Life Histories  Take Quiz
Lesson 8 - Carrying Capacity, Migration & Dispersion  Take Quiz
Lesson 9 - Dispersal, Colonization, and Island Biogeography  Take Quiz
Lesson 10 - What is Biodiversity? - Definition and Relation to Ecosystem Stability  Take Quiz
Lesson 11 - Deforestation, Desertification & Declining Biological Diversity  Take Quiz
Lesson 12 - Human Environmental Impact & Ecological Conservation  Take Quiz
Lesson 13 - Ecological Succession: From Pioneer to Climax Communities  Take Quiz
Lesson 14 - How Introduced and Invasive Species Alter Ecological Balance  Take Quiz
Lesson 15 - Overview of the Earth's Biomes  Take Quiz
Lesson 16 - Biogeochemical Cycling and the Phosphorus Cycle  Take Quiz
Lesson 17 - Cycles of Matter: The Nitrogen Cycle and the Carbon Cycle  Take Quiz
Lesson 18 - Renewable & Non-Renewable Resources: Definition & Differences  Take Quiz
Lesson 19 - Fossil Fuels, Greenhouse Gases, and Global Warming  Take Quiz