01:119:115 Lecture Notes - Lecture 19: Great Chain Of Being, James Hutton, Eukaryote
21 Apr 2016
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A. 2. scala naturae (scale of nature) - simplest to most complex different levels of complexity, statis: judeo-christian cultures. Old testament account of creation static - no evolution, speciation, extinction. Natural theology - discover god"s plan by studying nature: carolus linnaeus. C. 2. classified & describes organisms developed binomial nomenclature (genus + species name) hierarchical classification system: early evidence for change - paleontology and geology. Deeper strata more dissimilar from living species. D. 3. a) fossils resemble, but not exactly the same as modern species. Catastrophism - each change in rock layer means catastrophic event occurred; destroyed earlier species, so new ones migrated: james hutton (didn"t like catastrophism) E. 1. observable processes can produce small changes; accumulate over time. Gradualism - led to questioning the earth"s age: charles lyell. Uniformitarianism - geological processes are uniform, must balance over time. F. 3. mountains built by orogenesis; worn by erosion conclusion: earth is very old: jean-baptiste lamarck - studied fossils, observed changes in species over time.
