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CourseCourse QuestionQuestionDocumentDocument

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

D4.1.1—Natural selection as mechanism

D4.1.2—Roles of mutation and sexual reproduction

D4.1.3—Overproduction and competition

D4.1.4—Abiotic factors as selection pressures

D4.1.5—Differences in adaptation, survival, reproduction

D4.1.6—Traits must be heritable

D4.1.7—Sexual selection

D4.1.8—Modelling selection

D4.1.9 (HL)—Gene pool concept

D4.1.10 (HL)—Allele frequencies

D4.1.11 (HL)—Changes in allele frequency

D4.1.12 (HL)—Types of selection

D4.1.13 (HL)—Hardy-Weinberg equation

D4.1.14 (HL)—Hardy-Weinberg conditions

D4.1.15 (HL)—Artificial selection

D4.2 Stability and change

D4.3 Climate change

IB/Biology/HL//Concept/D Continuity and Change/D4.1 Natural selection/D4.1.3—Overproduction and competition

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