Question

***HELP*** What is the role of a keystone species?

Limiting the abundance of a competitively dominant species
Populating the ecosystem to decrease diversity
Exploiting the key resources in an ecosystem
Competitively dominant to other organisms in the ecosystem

Answer 1

D. Competitively dominant to other organisms in the ecosystem

A keystone species is an organism that helps define an entire ecosystem. Without its keystone species, the ecosystem would be dramatically different or cease to exist altogether.

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-Aphrodite

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