Given What We Know About Evolutionary Biology, Which of the Following

Multiple Choice

Given what we know about evolutionary biology, which of the following places would be the most likely to have the highest number of species that are unique to the area (that is, that had evolved in that place) . Assume that the conditions have existed for at least a few million years.

A) a shallow estuary on a warm-water coast
B) a single mountain in the middle of a continent
C) a grassland, with extreme climatic conditions, in the center of a large continent
D) an isolated group of ocean islands