CourseCourseQuestionQuestionDocumentDocument
IB Biology
A Unity and Diversity
B Form and Function
C Interaction and Interdependence
D Continuity and Change
D1.1 DNA replication
D1.2 Protein synthesis
D1.3 Mutation and gene editing
D2.1 Cell and nuclear division
D2.2 Gene expression [HL only]
D2.3 Water potential
D3.1 Reproduction
D3.2 Inheritance
D3.3 Homeostasis
D4.1 Natural selection
D4.2 Stability and change
D4.2.1—Stability of natural ecosystems
D4.2.2—Requirements for stability
D4.2.3—Amazon rainforest deforestation
D4.2.4—Mesocosm model
D4.2.5—Keystone species
D4.2.6—Sustainable resource harvesting
D4.2.7—Agriculture sustainability factors
D4.2.8—Eutrophication
D4.2.9—Biomagnification
D4.2.10—Plastic pollution of oceans
D4.2.11—Rewilding
D4.2.12 (HL)—Ecological succession
D4.2.13 (HL)—Changes during primary succession
D4.2.14 (HL)—Cyclical succession
D4.2.15 (HL)—Climax communities and arrested succession
D4.3 Climate change
IB/Biology/HL//Concept/D Continuity and Change/D4.2 Stability and change/D4.2.6—Sustainable resource harvesting

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