Select the statements that provide direct biogeographical evidence for evolutionary theory.Check all that apply.
A)Unrelated organisms from similar habitats exhibit similar characters.
B)Terrestrial mammals are not found naturally on any island greater than 300 miles from a mainland.
C)Organisms on islands are most similar to organisms on the nearby mainland,even when habitats on the mainland and island are quite different.
D)Invasive rats have colonized more than 80% of the world's islands.

Question

Quizplus · Accepted Answer

Both statements B and C provide direct biogeographical evidence for evolutionary theory. Statement B supports the idea that species only occur in areas where they have evolved, as mammals are unable to colonize more isolated areas such as islands that are far from a mainland. Statement C supports the concept of common ancestry and evolution, as organisms on islands are most similar to organisms on the nearby mainland, even when the environment is substantially different, suggesting a shared history and evolutionary divergence from a common ancestor. Statements A and D may also have some relationship to biogeography, but they do not directly support the theory of evolution.

Select the Statements That Provide Direct Biogeographical Evidence for Evolutionary