International Baccalaureate IB Biology

C.1.1 Enzymes and metabolism

C.1.2 Cell respiration

C.1.3 Photosynthesis

C.2.1 Chemical signalling

C.2.2 Neural signalling

C.3.1 Integration of body systems

C.3.2 Defence against disease

C.4.1 Populations and communities

C.4.2 Ecosystems