In an ecosystem, where is species richness greatest?
A)in the center of communities
B)at the edges of adjacent communities in the ecotone
C)in specific areas where environmental stresses are the highest
D)in specific areas where one species enjoys a decided dominance
E)species richness is equally distributed in ecosystems

Question

Quizplus · Accepted Answer

Species richness is often greatest at the edges of adjacent communities in the ecotone because these areas contain species from both of the adjacent communities as well as species that specialize in the transitional area itself, leading to a higher diversity of species.

In an Ecosystem, Where Is Species Richness Greatest