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Unofficial9 units2 h 40 min exam

AP Environmental Science review

Ecosystems, biodiversity, populations, earth systems, land and water use, energy, pollution and global change.

Exam format

AP Environmental Science exam sections
SectionQuestionsTimeCalculator
Multiple choice80 questions1 h 30 minscientific
Free response3 questions1 h 10 minscientific

Calculator policy: A scientific calculator is allowed; show unit conversions clearly.

Units

  1. Unit 1

    The Living World: Ecosystems

    Biomes, biogeochemical cycles and energy flow.

  2. Unit 2

    The Living World: Biodiversity

    Ecosystem services, island biogeography and ecological succession.

  3. Unit 3

    Populations

    Survivorship, carrying capacity and human population dynamics.

  4. Unit 4

    Earth Systems and Resources

    Plate tectonics, soil, atmosphere and climate.

  5. Unit 5

    Land and Water Use

    Agriculture, forestry, mining and urbanization.

  6. Unit 6

    Energy Resources and Consumption

    Fossil fuels, nuclear power and renewable energy.

  7. Unit 7

    Atmospheric Pollution

    Air pollutants, smog, acid rain and indoor air.

  8. Unit 8

    Aquatic and Terrestrial Pollution

    Water pollution, solid waste and toxicology.

  9. Unit 9

    Global Change

    Ozone depletion, climate change and loss of biodiversity.

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