Given What We Know About Evolutionary Biology, We Expect to Find

Multiple Choice

Given what we know about evolutionary biology, we expect to find the largest number of endemic species in which of the following geological features, which have existed for at least a few million years?

A) an isolated ocean island in the tropics
B) an extensive mountain range
C) a grassland in the center of a large continent, with extreme climatic conditions
D) a shallow estuary on a warm-water coast