IB Biology SL and HL Topics
Topic 1: Cell biology
- 1.1 Introduction to cells
- 1.2 Ultrastructure of cells
- 1.3 Membrane structure
- 1.4 Membrane transport
- 1.5 The origin of cells
- 1.6 Cell division
Topic 2: Molecular biology
- 2.1 Molecules to metabolism
- 2.2 Water
- 2.3 Carbohydrates and lipids
- 2.4 Proteins
- 2.5 Enzymes
- 2.6 Structure of DNA and RNA
- 2.7 DNA replication, transcription and translation
- 2.8 Cell respiration
- 2.9 Photosynthesis
Topic 3: Genetics
- 3.1 Genes
- 3.2 Chromosomes
- 3.3 Meiosis
- 3.4 Inheritance
- 3.5 Genetic modification and biotechnology
Topic 4: Ecology
- 4.1 Species, communities and ecosystems
- 4.2 Energy flow
- 4.3 Carbon cycling
- 4.4 Climate change
Topic 5: Evolution and biodiversity
- 5.1 Evidence for evolution
- 5.2 Natural selection
- 5.3 Classification of biodiversity
- 5.4 Cladistics
Topic 6: Human physiology
Additional HL Topics
Topic 7: Nucleic acids
Topic 8: Metabolism, cell respiration and photosynthesis
- 8.1 Metabolism
- 8.2 Cell respiration
- 8.3 Photosynthesis
Topic 9: Plant biology
- 9.1 Transport in the xylem of plants
- 9.2 Transport in the phloem of plants
- 9.3 Growth in plants
- 9.4 Reproduction in plants
Topic 10: Genetics and evolution
- 10.1 Meiosis
- 10.2 Inheritance
- 10.3 Gene pools and speciation
Topic 11: Animal physiology
- 11.1 Antibody production and vaccination
- 11.2 Movement
- 11.3 The kidney and osmoregulation
- 11.4 Sexual reproduction