Unit 2: Cell Structure and Function
Unit 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 Extinction
- 7.12 Variations in Populations
- 7.13 Origin of Life on Earth
Course Content
The AP Biology Exam assesses student understanding of the science practices and learning objectives outlined in the course framework. The exam is 3 hours long and includes 60 multiple-choice questions and 6 free-response questions. A four-function, scientific, or graphing calculator is allowed on both sections of the exam.
Exam Weighting for the Multiple-Choice Section of the AP Exam
Unit Exam Weighting
1: Chemistry of Life 8–11%
2: Cell Structure and Function 10–13%
3: Cellular Energetics 12–16%
4: Cell Communication and Cell Cycle 10–15%
5: Heredity 8–11%
6: Gene Expression and Regulation 12–16%
7: Natural Selection 13–20%
8: Ecology 10–15%
