Question

Darwin believed that the various species of finches on the Galapagos Islands came from one common ancestor. He believed they evolved by _____.
adaptive radiation
convergent evolution
divergent evolution
coevolution

Answer 1

Darwin believed that the various species of finches on the Galapagos Islands came from one common ancestor. He believed they evolved by divergent evolution. Divergent evolution is when accumulation of differences between groups forms new species. These new species can be similar because they had common origin previously.

Answer 2

In this item, we are given that Darwin believed that various species of finches found in the Galapagos islands originates from one only one common ancestor. This belief that is displayed by Darwin is an example of a divergent evolution. The answer is the third choice.