Explore Biology
Explore 18 topic notes, learning objectives and practice.
Specification reference
2025–26 CED (current)
Advanced Placement · College Board
Biology AP
Biology AP revision notes for Advanced Placement.
- Topics
- 18
- Free sample notes
- 1
- Practice questions
- 132
In this subject
Unit 1Chemistry of life
AP
- Free sample
- Included in paid plans
Unit 2Cell structure and function
AP
- Included in paid plans
- Included in paid plans
Unit 3Cellular energetics
AP
- Included in paid plans
- Included in paid plans
- Included in paid plans
Unit 4Cell communication and cell cycle
AP
- Included in paid plans
- Included in paid plans
Unit 5Heredity
AP
- Included in paid plans
- Included in paid plans
Unit 6Gene expression and regulation
AP
- Included in paid plans
- Included in paid plans
- Included in paid plans
Unit 7Natural selection
AP
- Included in paid plans
- Included in paid plans
Unit 8Ecology
AP
- Included in paid plans
- Included in paid plans
Practice questions
132 practice questions across 18 topics. Free accounts practise with 20 sample questions in this subject; paid plans include every question.
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