BIO201H5 Lecture Notes - Lecture 3: Gradualism, Spontaneous Generation, Bipedalism
Document Summary
Understanding the living world evidence for evolution. Pre-darwinian views: religious beliefs, believed earth was static and young (but really it"s changing and millions of years old, outcome of any phenomenon must have goal. Influenced by philosophers: plato philosophy of idealism, aristotle species were fixed, developed scale of nature , progression towards perfections. Origins of evolutionary thought: 1700s, compte de buffon, naturalist, hutton, geologist, gradualism, malthus, economist (populations, 1800s, lamarck, botanist, first to use term evolution. Invertebrate biologist: first to provide causal mechanism: Giraffe getting longer neck: not genetic level (didn"t know about genetics) Just believed any change that was experienced was passed on: misconception, produces ladder of life, organisms progress to higher and higher levels, spontaneous generation (didn"t know about cells) - Bacteria fungi green algae land plants . Invertebrates vertebrates humans: misconception, lyell, geologist, darwin. Goosebumps for heat conservation (when cold) or in social interaction (tense) in monkeys, not a complete function for humans: ex.
