IBDP Biology

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Theme A: Unity & Diversity

A1.1  Water
A1.2  Nucleic Acids
[HL] A2.1  Origins of Cells
A2.2  Cell Structure
[HL] A2.3  Viruses
A3.1 Diversity of Organisms 
[HL] A3.2  Classification and Cladistics
A4.1  Evolution and Speciation
A4.2  Conservation of Biodiversity

Theme B: Unity & Diversity

B1.1  Enzymes and Metabolism
B1.2  Proteins
B2.1  Membranes and Membrane Transport 
B2.2  Organelles and Compartmentalization
B2.3  Cell Specialization 
B3.1  Gas Exchange 
B3.2  Transport 
[HL] B3.3  Muscle and Motility
B4.1  Adaptation to Environment 
B4.2  Ecological Niches

Theme C: Interaction & Interdependence

C1.1  Enzymes and Metabolism
C1.2  Cell Respiration 
C1.3  Photosynthesis 
[HL] C2.1  Chemical Signalling
C2.2  Neural Signalling 
C3.1  Integration of Body Systems  
C3.2  Defence Against Disease  
C4.1  Populations and Communities  
C4.2  Transfers of Energy and Matter 

Theme D: Continuity & Change

D1.1  DNA Replication
D1.2  Protein Synthesis 
D1.3  Mutation and Gene Editing
D2.1  Cell and Nuclear Division
[HL] D2.2  Gene Expression
D2.3  Water Potential 
D3.1  Reproduction
D3.2  Inheritance
D3.3  Homeostasis 
D4.1  Natural Selection
D4.2  Stability and Change

D4.3  Climate Change