試題詳解

50. Adaptive radiation is likely to have led to which of the following?
(A) The divergence of a single pea aphid population into two distinct species.
(B) The evolution of the horse via changes in climate and food supply.
(C) The long period of equilibrium in a bat species in the Mariana Islands.
(D) The 1,000 species of Drosophila found dispersed throughout the Hawaiian Islands.
(E) A population of mountain goats are split because of the formation of a glacier.