S
A
C3.2 Defence against disease
A2.3 Viruses
A1.2 Nucleic acids
D1.2 Protein synthesis
A2.2 Cell structure
B2.1 Membranes and membrane transport
C1.2 Cell respiration
B2.2 Organelles and compartmentalization
C2.2 Neural signalling
D3.3 Homeostasis
D1.3 Mutations and gene editing
D3.1 Reproduction
B2.3 Cell specialization
C2.1 Chemical signalling
B3.1 Gas exchange
D1.1 DNA replication
C1.1 Enzymes and metabolism
D2.1 Cell and nuclear division
B3.3 Muscle and motility
D2.2 Gene expression
C3.1 Integration of body systems
A1.1 Water
A3.2 Classification and cladistics
A2.1 Origins of cells
D3.2 Inheritance
C1.3 Photosynthesis
B1.2 Proteins
B3.2 Transport
B1.1 Carbohydrates and lipids
A4.1 Evolution and speciation
C4.2 Transfers of energy and matter
B4.1 Adaptation to environment
D4.1 Natural selection
B
C
D
F
B4.2 Ecological niches
C4.1 Populations and communities
A3.1 Diversity of organisms
D4.3 Climate change
D4.2 Stability and change
A4.2 Conservation of biodiversity
D2.3 Water potential
