College Board · AP Biology
AP Biology Resources
official documents · past papers and exam practice · teaching slides · practice · course outline
Units and topics
Choose a topic to see its available materials.
Unit 1 - Chemistry of Life7 topics
Open this unit →Unit 2 - Cells10 topics
Open this unit →- Topic 2.1 Cell Structure and FunctionMaterials
- Topic 2.2 Cell SizeMaterials
- Topic 2.3 Plasma MembraneMaterials
- Topic 2.4 Membrane PermeabilityMaterials
- Topic 2.5 Membrane TransportMaterials
- Topic 2.6 Facilitated DiffusionMaterials
- Topic 2.7 Tonicity and OsmoregulationMaterials
- Topic 2.8 Mechanisms of TransportMaterials
- Topic 2.9 Cell CompartmentalizationMaterials
- Topic 2.10 Origins of Cell CompartmentalizationMaterials
Unit 3 - Cellular Energetics5 topics
Open this unit →Unit 4 - Cell Communication and Cell Cycle6 topics
Open this unit →Unit 5 - Heredity5 topics
Open this unit →Unit 6 - Gene Expression and Regulation8 topics
Open this unit →- Topic 6.1 DNA and RNA StructureMaterials
- Topic 6.2 DNA ReplicationMaterials
- Topic 6.3 Transcription and RNA ProcessingMaterials
- Topic 6.4 TranslationMaterials
- Topic 6.5 Regulation of Gene ExpressionMaterials
- Topic 6.6 Gene Expression and Cell SpecializationMaterials
- Topic 6.7 MutationsMaterials
- Topic 6.8 BiotechnologyMaterials
Unit 7 - Natural Selection12 topics
Open this unit →- Topic 7.1 Introduction to Natural SelectionMaterials
- Topic 7.2 Natural SelectionMaterials
- Topic 7.3 Artificial SelectionMaterials
- Topic 7.4 Population GeneticsMaterials
- Topic 7.5 Hardy-Weinberg EquilibriumMaterials
- Topic 7.6 Evidence of EvolutionMaterials
- Topic 7.7 Common AncestryMaterials
- Topic 7.8 Continuing EvolutionMaterials
- Topic 7.9 PhylogenyMaterials
- Topic 7.10 SpeciationMaterials
- Topic 7.11 Variations in PopulationsMaterials
- Topic 7.12 Origins of Life on EarthMaterials
Unit 8 - Ecology7 topics
Open this unit →- Topic 8.1 Responses to the EnvironmentMaterials
- Topic 8.2 Energy Flow Through EcosystemsMaterials
- Topic 8.3 Population EcologyMaterials
- Topic 8.4 Effect of Density on PopulationsMaterials
- Topic 8.5 Community EcologyMaterials
- Topic 8.6 BiodiversityMaterials
- Topic 8.7 Disruptions in EcosystemsMaterials
Official documents
- Syllabus Effective fall 2025 · CED (Effective Fall 2025) CED Clarifications and Corrections · PDF
- ap biology ced clarifications and corrections CED (Effective Fall 2025) CED Clarifications and Corrections · PDF
- ap biology course at a glance printable poster PDF
- ap biology course at a glance PDF
- ap biology course overview PDF
- ap biology sample syllabus 1 PDF
- ap biology syllabus development guide PDF
- ap biology teacher lab manual effective fall 2019 PDF
Past papers and exam practice
These are shortcuts to available files. Open the course paper picker for the full year and paper selection.
- AP 生物 2012–2024 全套打包下载ZIP
- 2025 · Released FRQ · FRQ · Main released set · FRQ question paperPDF
- 2024 · Supplied compilation · MCQ + FRQ + answers · Download paper and answersPDF
- 2024 · Released FRQ · FRQ · Main released set · FRQ question paperPDF
- 2024 · Supplied scanned paper · Scanned MCQ + FRQ paper · MCQ + FRQ paperPDF
- 2023 · Supplied compilation · MCQ + FRQ + answers · Download paper and answersPDF
- 2023 · Released FRQ · FRQ · Main released set · FRQ question paperPDF
- 2023 · International compilation · International question compilation · answers included · MCQ + FRQ paperPDF
Available: 2012–2018 and 2020–2024. The 2021 file is a sample set; 2024 answers are independently authored. These historical materials do not claim full alignment with the current syllabus.
Teaching slides
This course has 60 published PPTX files. A few shortcuts are shown below; open the course topics for the full set and previews.