A species that plays a major role in determining the structure of its ecological community is
A) the most abundant species in the community.
B) a keystone species.
C) a dominator species.
D) a predator.
E) the species with the largest size.

Question

Quizplus · Accepted Answer

A keystone species is crucial in maintaining the structure and integrity of an ecological community, affecting many other organisms in the environment and helping to determine the types and numbers of various other species in the community. Their role is not necessarily tied to their abundance, size, or being a predator.

A Species That Plays a Major Role in Determining the Structure