Ecosystems, biodiversity, and human impact
Know the structure before you walk in.
80 questions, 90 minutes, 60% of score.
Covers ecosystems, biodiversity, land/water use, and global change.
3 questions, 70 minutes, 40% of score.
Includes experimental design, data analysis, and environmental solutions.
Four-function calculator allowed.
Total exam time: 2 hours 40 minutes.
Approximately 9% of students score a 5.
Scores of 3+ typically earn college credit.
Click any unit to access study guides, practice tests, flashcards, videos, and more.
Unit 1Energy flow, productivity, trophic levels, and biogeochemical cycles
Unit 2Natural selection, speciation, species diversity, and ecosystem services
Unit 3Population dynamics, growth models, demographic transition, and age structure
Unit 4Plate tectonics, soil, atmospheric circulation, and El Niño
Unit 5Agriculture, forestry, urbanization, mining, and fishing
Unit 6Fossil fuels, nuclear power, renewables, and energy conservation
Unit 7Smog, acid deposition, noise pollution, and indoor pollutants
Unit 8Water pollution, waste management, remediation, and LUST
Unit 9Ozone depletion, global warming, biodiversity loss, and invasive species
Additional materials from the Ultimate Review Packet.
Everything you need to master AP Environmental Science.
Complete unit-by-unit breakdown with key concepts and formulas.
Open GuideFull-length timed exam with AP-style questions and scoring.
Start TestKey terms and concepts in an easy-to-review format.
Study CardsStep-by-step walkthroughs of the hardest topics.
Watch NowOne-page printable with all essential formulas and facts.
DownloadAsk questions and get instant explanations 24/7.
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