AP Biology Review — Free Practice Games for All 8 Units
AP Exam Quick Facts
Units
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Unit 1: Chemistry of Life
★★☆ Mediumwater properties, macromolecules and enzyme structure
8-11% of exam Play Now → -
Unit 2: Cell Structure and Function
★★☆ Mediumcell organelles, membrane transport and compartmentalization
10-13% of exam Play Now → -
Unit 3: Cellular Energetics
★★★ Hardphotosynthesis, cell respiration and ATP cycle
12-16% of exam Play Now → -
Unit 4: Cell Communication and Cell Cycle
★★★ Hardsignal transduction, cell cycle, mitosis and feedback mechanisms
10-15% of exam Play Now → -
Unit 5: Heredity
★★★ Hardmeiosis, Mendelian genetics and non-Mendelian genetics
8-11% of exam Play Now → -
Unit 6: Gene Expression and Regulation
★★★ HardDNA replication, transcription, translation and gene regulation
12-16% of exam Play Now → -
Unit 7: Natural Selection
★★☆ Mediumevolution, natural selection, speciation and Hardy-Weinberg
13-20% of exam Play Now → -
Unit 8: Ecology
★★☆ Mediumpopulation ecology, community ecology, ecosystems and biodiversity
10-15% of exam Play Now →
Which Colleges Accept AP Biology Credit?
Scored a 4 or 5? Many top universities grant credit or placement. Check AP credit policies at top colleges.
FAQ
How many units does AP Biology have?
AP Biology has 8 units covering all major topics in the course.
Is BeastStudy free for AP Biology?
Yes, all 8 units and all 5 game modes are completely free. No signup required.
How does the AP Biology review game work?
Choose a unit, pick a game mode like Beast Rush or Memory Maze, and answer review questions while playing. Each unit has 30+ questions.
Can I use this for AP Biology exam prep?
Absolutely. Our content is aligned with the official curriculum and covers all tested topics.
What game modes are available?
We offer 5 modes: Beast Rush (timed), Precision Hunt (accuracy), Memory Maze (matching), Beast Arena (competitive), and Evolution Quest (progression).