It has been observed that organisms on islands are different from, but closely related to, similar forms found on the nearest continent. This is taken as evidence that ________.
A) island forms are descended from mainland forms
B) common environments are inhabited by the same organisms
C) island forms and mainland forms have identical gene pools
D) the island forms and mainland forms are converging

Question

Quizplus · Accepted Answer

The observation that organisms on islands are closely related to similar forms found on the nearest mainland suggests that the island forms are descended from mainland forms that colonized the island. This is known as the theory of island biogeography.

It Has Been Observed That Organisms on Islands Are Different