4_Darwin

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1 Quiz 1 starts today! Available on Blackboard 11 AM today (Wednesday) to 11 AM Thursday (24h) No time limit (except the 24h time limit) Can log out and log back in Be sure to Submit answers (not just Save them) and wait until Blackboard acknowledges that your answers have been successfully submitted
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2 The Darwinian Revolution 22.1-22.3 Darwin’s 200th Birthday = Feb 12, 2009
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3 A short movie about Charles Darwin from Discovery Videos on masteringbio.com (ch 22) QuickTime ª and a YUV420 codec decompressor are needed to see this picture.
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4 Top 5 Myths about Darwin
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5 Myth 1 Darwin was the first to propose that life on this planet evolved
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Linnaeus (classification) Hutton (gradual geologic change) Lamarck (species can change) Many people proposed evolutionary ideas before Darwin, and many others paved the way for his theory, even if they did not believe in evolution themselves Fig. 22.2
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7 Several ancient Greeks had evolutionary ideas Empedocles believed plants came first, then animals Developed a theory of struggle among animals that foreshadows natural selection Empedocles ~490-430 BC
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8 Aristotle believed life forms were fixed, but his Scala Naturae inspired future evolutionary theories Aristotle 384-322 BC
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9 Linnaeus developed classification system that played a role in Darwin’s evolutionary arguments Did not believe in evolution Used classification system to reveal the divine order of life Considered the father of taxonomy Systema Naturae , 1758
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10 Evolution was supported by geologic theory of Gradualism , but not by Catastrophism QuickTime and a YUV420 codec decompressor are needed to see this picture.
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11 Cuvier , a devoted Catastrophist Paleontologist Found different fossils in different strata and inferred extinction Believed boundaries between strata due to catastrophes 1769-1832
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12 Hutton and Lyell advocated gradualism Believed earth’s features explained by processes currently operating Implied earth is >> 6000 years old Hutton, 1726-1797 Lyell, 1797-1875
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13 Darwin’s own grandfather proposed evolutionary ideas A leading intellectual in 18th century England Wrote prose and poetry discussing origins of life from a single ancestor, transmutation of one species into another, and effects of competition and sexual selection on species change Erasmus Darwin , 1731-1802
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14 Lamarck
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This note was uploaded on 07/26/2009 for the course BIO 120 taught by Professor Staff during the Fall '07 term at USC.

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4_Darwin - Quiz 1 starts today! Available on Blackboard 11...

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