AP Biology
The whole course on one page. Eight units, from the chemistry of life to ecology. Pick a topic; the page shows you which ideas to fix.
1 Chemistry of Life
2 Cells
3 Cellular Energetics
4 Cell Communication and Cell Cycle
5 Heredity
6 Gene Expression and Regulation
7 Natural Selection
- 7.1 Introduction to Natural Selection
- 7.2 Natural Selection
- 7.3 Artificial Selection
- 7.4 Population Genetics
- 7.5 Hardy–Weinberg Equilibrium
- 7.6 Evidence of Evolution
- 7.7 Common Ancestry
- 7.8 Continuing Evolution
- 7.9 Phylogeny
- 7.10 Speciation
- 7.11 Variations in Populations
- 7.12 Origins of Life on Earth
8 Ecology
The AP Biology exam
- Section I: 60 multiple-choice questions in 1 hour 30 minutes, 50% of your score.
- Section II: 6 free-response questions (2 long, 4 short) in 1 hour 30 minutes, the rest of your score.
The questions here are multiple choice only. For free response, use the past exam questions College Board publishes.