Cell biology, genetics, evolution, and ecology
Know the structure before you walk in.
60 questions, 90 minutes, 50% of score.
Covers all 8 units with emphasis on application and analysis.
6 questions (2 long, 4 short), 90 minutes, 50% of score.
Tests scientific investigation, conceptual analysis, and model analysis.
Four-function calculator allowed.
Formula sheet provided. Total time: 3 hours.
Approximately 14% of students score a 5.
Scores of 3+ typically earn college credit.
Click any unit to access study guides, practice tests, flashcards, videos, and more.
Unit 1Water, macromolecules, enzymes, and the structure and function of biological molecules
Unit 2Cell organelles, membranes, transport, and cell-cell interactions
Unit 3Photosynthesis, cellular respiration, and fermentation pathways
Unit 4Signal transduction pathways, cell division, and regulation of the cell cycle
Unit 5Mendelian genetics, meiosis, inheritance patterns, and genetic disorders
Unit 6Transcription, translation, mutations, and gene regulation mechanisms
Unit 7Evolution, phylogeny, population genetics, and speciation
Unit 8Population ecology, community interactions, ecosystems, and global change
Everything you need to master AP Biology.
Complete unit-by-unit breakdown with key concepts and formulas.
Open GuideFull-length timed exam with AP-style questions and scoring.
Start TestKey terms and concepts in an easy-to-review format.
Study CardsStep-by-step walkthroughs of the hardest topics.
Watch NowOne-page printable with all essential formulas and facts.
DownloadAsk questions and get instant explanations 24/7.
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