Which best describes biogeographic isolation? A) It always leads to the formation of new species. B) It cannot lead to evolution. C) It is a mechanism for evolution. D) It occurs only through geographic forces.
D. It occurs only through geographic forces. Explanation: Biogeographic isolation is the separation of two populations of the same species due to physical factors. It may lead to evolution, as the groups will adapt to their new circumstances, which may be dramatically different between the two locales. However, geographic isolation...