IB Biology A4.2 Definitions

This page contains our IB Biology definitions for A4.2. By learning each one of these definitions, you will fully cover the content for IB Biology 'Conservation of biodiversity'.

All Topic 4 Sub-topics A4.1: Evolution & Speciation (HL)A4.1: Further speciation A4.2: Conservation Of Biodiversity B4.1: Adaptations B4.2: Ecological Niches C4.1: Populations & Communities C4.2: Energy & Matter Transfer D4.1: Natural Selection (HL)D4.1: Further natural selection D4.2: Stability & Change (HL)D4.2: Ecological stability D4.3: Climate Changes (HL)D4.3: Further climate change

anthropogenic

Something that originates from human activity

Biodiversity

The variety of life on Earth

community

The population of different species living together and interacting in a single area

ecosystem

The interaction of a community with its abiotic environment

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