Darwinism Recitation Paper Week 6

Darwinism Recitation Paper Week 6 - suggested, were slower...

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Andra Stanley Recitation #6 HPS 0437, Recitation Tues. 3-3:50 February 21, 2006 Darwin p. 169-174 At the end of The Origin of Species , Darwin refutes the naturalists who still believe that species have been independently created. He states that whole classes can be linked by “chains of affinities,” and all members can be classified by using the same principle. Embryos show the likenesses amongst members of the same class. Darwin believes that all species have descended from five for fewer progenitors. But Darwin does see the “species” as an artificial grouping implemented for human convenience. Darwin views fossils as a special occurrence, and the fossil record is sparse with vast intervals between differing stages of species. The gaps in the fossil record can be deduced to time gaps. Species are created and exterminated over long periods of time, and not by some spontaneous creation or catastrophe. The variations in species, Darwin
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Unformatted text preview: suggested, were slower in the beginning of life. The larger and more predominant species groups are more likely to prevail in the future. Darwin p. 243-255 In Darwins The Descent of Man , Darwin stated that humans were the descendant from some less highly organized form. Some evidence for this is in the human embryo form, which closely resembles that of other, lower animals. But even though man in one species, he has divided into subspecies, which are the differing races. The process of natural selection in man is apparent in that humans look for their mates to be the most superior in the species. Humans unconsciously include variations, making improved offspring. Man probably came from a hairy, tailed, four-legged inhabitant of the Old World. The higher mammals, descended from some type of marsupial, which came from a fish-like animal. The earliest of the vertebrae was an aquatic, androgynous organism....
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This note was uploaded on 04/07/2008 for the course HPS 0437 taught by Professor Sandramitchell during the Fall '06 term at Pittsburgh.

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