A4.1.8 HL Sympatric Vs Allopatric Speciation Question Bank | Eduninja

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A Unity and Diversity

A1.2 Nucleic acids

A2.1 Origins of cells

A2.2 Cell structure

A2.3 Viruses [HL only]

A3.1 Diversity of organisms

A3.2 Classification and cladistics [HL only]

A4.1 Evolution and speciation

A4.1.1—Evolution as change in heritable characteristics

A4.1.2—Evidence from sequences

A4.1.3—Evidence from selective breeding

A4.1.4—Evidence from homologous structures

A4.1.5—Convergent evolution

A4.1.6—Speciation by splitting of pre-existing species

A4.1.7—Reproductive isolation and differential selection

A4.1.8 (HL)—Sympatric vs. allopatric speciation

A4.1.9 (HL)—Adaptive radiation

A4.1.10 (HL)—Barriers to hybridization

A4.1.11 (HL)—Abrupt speciation in plants

A4.2 Conservation of biodiversity

B Form and Function

B1.1 Carbohydrates and lipids

B2.1 Membranes and membrane transport

B2.2 Organelles and compartmentalization

B2.3 Cell specialization

B3.1 Gas exchange

B3.3 Muscle and motility [HL only]

B4.1 Adaptation to environment

B4.2 Ecological niches

C Interaction and Interdependence

C1.1 Enzymes and metabolism

C1.2 Cell respiration

C1.3 Photosynthesis

C2.1 Chemical signalling [HL only]

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

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

D4.3 Climate change

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