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IB35ACS Study Guide

Jean baptiste lamarck 1744 1829 french anatomist

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Unformatted text preview: evolution- is the hypothesis that life has an innate tendency to evolve in a unilinear fashion due to some internal or external "driving force". ● Hereditary plasticity- (stuff you pass on to young can be molded)? Teleology - ● “A teleological explanation is one that explains the existence of occurrence of something by citing a goal or purpose that is served by the thing…” ● (from Daniel Dennett’s 1995 Darwin’s Dangerous Idea, p.24) Charles Darwin (1809- 1882) - Voyage of the Beagle (1831- 1836) ● Noticed Geographic Variation ● Considered himself a geologist more than a biologist ● Took “principles of geology” by charles lyell Charles Lyell - (1797~1875) ● Principles of Geology (elaborate on Hutton’s uniformitarianism) Georges Cuvier- French anatomist ● 1769 – 1832 ● catastrophism as explanation for variation of animals Darwin’s Most important observation on his trip: ● Succession of fossil animals in South America ● Geographical variation in species ● Ocean Island species- Galapagos Islands ● Noticed adaptive radiation in finches Darwin observed that: 1. organisms tend to produce more offspring than needed to keep the population size stable. 2. Population size stays stable...conclusion is a lot of death. a. 1798: TR Malthus- idea of a carrying capacity 3. Variation is innate- Characteristics...
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