7 Slides • 2 Questions

Keystone species and trophic cascades

By Angela West

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First we need to understand a few vocabulary terms : species, individual, population, community, ecosystem, biome, biosphere

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A species is a group of organisms that are similar and can interbreed. For example, there are different types (species) of birds.

Species

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Multiple Choice

A coral reef is an example of a

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population

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community

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ecosystem

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biome

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Multiple Choice

A murder of crows is a/an

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population

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community

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ecosystem

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biome

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Indirect actions that can control entire ecosystems

Trophic cascades:

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