Review reading assignment together. Identify various scientists' roles in the developing idea of evolution, including Buffon, Cuvier, Erasmis Darwin, and Lamarck. Compare and contrast their ideas with Darwin's theory of evolution by means of natural selection. Address the role of geographic isolation in the development of new species. Identify and discuss the 5 principles of natural selection. Discuss what Darwin didn't know about (DNA, mutations) and how it fits into the modern theory of evolution.