AP Environmental Science Unit |
% of Exam Questions |
Unit 1: The Living World: Ecosystems |
6-8% |
Unit 2: The Living World: Biodiversity |
6-8% |
Unit 3: Populations |
10-15% |
Unit 4: Earth Systems and Resources |
10-15% |
Unit 5: Land and Water Use |
10-15% |
Unit 6: Energy Resources and Consumption |
10-15% |
Unit 7: Atmospheric Pollution |
7-10% |
Unit 8: Aquatic and Terrestrial Pollution |
7-10% |
Unit 9: Global Change |
15-20% |