IB Biology HL A4.2.5 Evidence for Biodiversity Crisis Topic Practice

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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

A4.2 Conservation of biodiversity

A4.2.1—Biodiversity definition

A4.2.2—Current vs. past biodiversity

A4.2.3—Anthropogenic species extinction

A4.2.4—Ecosystem loss causes

A4.2.5—Evidence for biodiversity crisis

A4.2.6—Causes of biodiversity crisis

A4.2.7—Conservation approaches

A4.2.8—EDGE of Existence programme

B Form and Function

C Interaction and Interdependence

D Continuity and Change

IB/Biology/HL//Question Bank/A Unity and Diversity/A4.2 Conservation of biodiversity/A4.2.5—Evidence for biodiversity crisis

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