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Meaning of keystone species | Babel Free

Noun CEFR B2

Definitions

A species that exerts a large, stabilizing influence throughout an ecological community, despite its relatively small numerical abundance.

Examples

Megafauna are called ʻkeystone speciesʼ because when they become extinct the entire arch of the ecosystem can collapse.”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

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