Keystone species:
A) are always symbionts.
B) are typically not the most abundant species in the community.
C) illustrate secondary succession.
D) always form the base of a food chain.
E) are only found in tropical communities.

Question

Quizplus · Accepted Answer

Keystone species are not necessarily the most abundant in a community, but they play a critical role in maintaining the structure of an ecological community, affecting many other organisms and helping to determine the types and numbers of various other species in the community.

Keystone Species