Which Statement About Keystone Species Is True

question 37

Multiple Choice

Which statement about keystone species is true?

• A) Keystone species are always predators.
• B) It is possible for a species to behave as a keystone species in one part of its range but not in other parts.
• C) Keystone species have a large effect on energy flow and community composition because of their large biomass.
• D) Keystone species are at lower trophic levels.

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