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.

Question

Quizplus · Accepted Answer

A keystone species can have a significant impact on its ecosystem regardless of its biomass, and its role can vary in different parts of its range.

Which Statement About Keystone Species Is True