AP® Biology Beta
AP® Biology, taught from scratch, in order.
- Built on the 2025 framework, in order. Every unit and topic in the order the course framework lists them.
- Teaches from scratch, for when your class moves too fast. High-school level, slower, with a picture for every process.
- Harder, data-heavy practice that matches the real exam. Tables, graphs and experiments, with stimulus sets of four or five questions.
- See the process, then answer questions about it. Each lesson walks the cause and effect one step at a time before it asks.
Beta This course has not yet been reviewed by an AP® Biology teacher.
The units
8 units, each with lessons, free notes, a printable unit sheet and exam-style practice.
- Unit 1Chemistry of Life7 topics · 8–11% of the exam
- Unit 2Cell Structure and Function10 topics · 10–13% of the exam
- Unit 3Cellular Energetics6 topics · 12–16% of the exam
- Unit 4Cell Communication and Cell Cycle6 topics · 10–15% of the exam
- Unit 5Heredity5 topics · 8–11% of the exam
- Unit 6Gene Expression and Regulation8 topics · 12–16% of the exam
- Unit 7Natural Selection12 topics · 13–20% of the exam · coming soon
- Unit 8Ecology7 topics · 10–15% of the exam · coming soon
Skills
The math and experimental design the exam tests, built on the official formula sheet, with answers checked as you type them.
Practice and study
- PracticeDrill a unit, a topic or a science practice, with stimulus sets.
- ReviewMissed questions come back when you are about to forget them.
- ExamsUnit tests and full timed practice exams, scored with rubrics.
- Free-response practiceAll six free-response types, with rubrics and sample answers.
- FlashcardsSpaced-repetition cards from the glossary.
- ToolsSimulators, then the questions about what you saw.
- DashboardMastery by unit, topic and science practice.
- GlossaryEvery term, with a plain definition and where it is taught.
Every notes page free
Units 1 and 2 lessons free
Unit sheets free to print
Progress saved on your device
AP® is a trademark registered by the College Board, which is not affiliated with, and does not endorse, this site.