The Total Number of Different Species Living Within a Community

Question

The total number of different species living within a community is referred to as
A) an ecological community.
B) species richness.
C) relative species abundance.
D) keystone species.

Accepted Answer

Species richness refers to the total number of different species living within a community. Option A, ecological community, refers to the group of interacting organisms living in a particular habitat. Option C, relative species abundance, refers to the proportion of each species in a community, and option D, keystone species, refers to a species that has a disproportionately large impact on its environment relative to its abundance.