BIOLOGY 1114 Lecture Notes - Lecture 4: Georges Cuvier, James Hutton, Rock Dove
29 Aug 2018
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Evolutionary thinkers existed, lacked mechanisms to drive ideas. Humans understood the idea: ie farmers with crops. Essentialism: physical world and life forms are fixed, aristotle. Leclerc: george-louis leclerc: recognized differences in species living in different environments, organisms change to new environment. Jean-baptiste lamarck believed in transformism: transformism: things change over time, "internal force, no extinction, no branching, believed individuals change during development. James hutton: gradualism: physical features of earth gradually changed over time: charles lyell: uniformitarianism: historical changes result from uniform geological processes that still happen today. Setting stage for darwin: essentialism=dominant, no explanation for biological diversity, extinction and branching ideas, uniformitarianism is promoted. Darwin: naturalist on a ship (hms beagle) sent info back to england. Ideas: modern species sometimes look like fossils, modern domesticated animals can be made to vary through intentional (artificial) selection, creatures in archipelagos vary from island to island, organisms may have complex modifications necessary for survival.
