What about aging 4113 11 what about aging aging is

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What about aging?
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4/1/13 11 What about aging? Aging is change over time, but not biological evolution Biological Evolution is change over time via descent with modification this was not Darwin s idea
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4/1/13 12 What is natural selection? A mechanism to explain biological evolution This was Darwin s revolutionary insight What was known/thought about the origins of biodiversity pre-Darwin? Key problems Diversity of species
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4/1/13 13 Key problems Diversity of species Fit of the organisms to their environment Apparent design: William Paley, an English parson, wrote in Natural History: or, Evidences of the Existence and Attributes of the Deity, Collected from the Appearances of Nature (1802) "In crossing a heath suppose I pitched my foot against a stone and were asked how the stone came to be there." -Could have been there forever. fit of organisms to their environment
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4/1/13 14 Apparent design: William Paley, an English parson, wrote in Natural History: or, Evidences of the Existence and Attributes of the Deity, Collected from the Appearances of Nature (1802) "In crossing a heath suppose I pitched my foot against a stone and were asked how the stone came to be there." -Could have been there forever. "But suppose I had found a watch upon the ground, and it should be inquired how the watch happened to be in that place." -Somebody must have designed it fit of organisms to their environment Jean-Baptiste Lamarck (1744-1829) In his "Philosophie Zoologique" (1809) Challenged fixity of species Species persisted indefinitely, transforming from one into another Transformation through internal force and acquired characters
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Christopher Reinemann
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