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IB Environmental systems and societies (SL)Biodiversity and conservation

3.1 Biodiversity

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Environmental Science

IB Environmental systems and societies (SL)

Biodiversity and conservation

12th

5 Terms

Biodiversity

The total diversity of living systems. This includes the diversity of species, habitat diversity and genetic diversity.

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Species diversity

Species diversity in communities is a product of two variables: the number of species (richness) and their relative proportions (evenness).

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Habitat diversity

Habitat diversity refers to the range of different habitats in an ecosystem or biome.

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Genetic diversity

Genetic diversity refers to the range of genetic material present in a population of a species.

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Endemic

native or restricted to a particular area

e.g. the Bali Starling is found only on the island of Bali. It is endemic to Bali. It is a Bali endemic species.

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