GEOL 008 Lecture 5: 05 - The Discovery of Natural Selection
Document Summary
Organisms descend from their ancestors but are not direct copies. Changes of characteristics in a population over time (many generations) People acclimating to new things (eg changes in elevation or climate adapting to eat spicy food) Offspring being smaller due to nutrition of parents (eg children born smaller after famine) Life is unchanging, or only changes very slightly. Species suddenly come and go over time (recall cuvier"s catastrophism. Life changes from one form to the next over long periods of time descent model) with modification. On of the first to develop a mechanism for evolution. Promoted the heritability of acquired characteristics ( lamarckism ) Needed characteristics are acquired over an individual"s life. Father wanted him to be a doctor. Later sent to study theology focused on natural history. Brought principles of geology, a book on uniformitarianism. Darwin recognized links between fossils and modern mammals. Anatomy and location - a succession of types .
