Question

What is biogeography? How do Darwin's finches provide the biogeographical evidence in favour of evolution?

Answer 1

Biogeography is the study of the distribution of species and ecosystems in geographic space and through geological time. Darwin's Theory of Evolution by Natural Selection. More individuals are produced each generation that can survive. Phenotypic variation exists among individuals and the variation is heritable. Those individuals with heritable traits better suited to the environment will survive.