Ecologists Often Focus on Protecting Keystone Species as a Way

question 118

Multiple Choice

Ecologists often focus on protecting keystone species as a way of preserving endangered ecosystems.This is most likely because keystone species are the

• A) largest species in the ecosystem.
• B) most numerous species in the ecosystem.
• C) species that maintain ecosystem structure and function.
• D) species in the ecosystem that humans most value.
• E) longest-lived species in the ecosystem.

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