evolution

evolution - Charles Robert Darwin 1809-1882 Studied...

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Charles Robert Darwin 1809-1882 Studied medicine, theology, then became a naturalist First scientific work was a geologic field trip with Adam Sedgwick Uniformatarianist, mentored by Charles Lyell
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Voyage of the Beagle 27 Dec. 1831- 2 Oct. 1836
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Galapagos Tortioses
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Galapagos finches
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Central concepts of Natural Selection The Malthusian Principle dictates that more organisms will be born than can survive What determines survival? Characteristics of the organism. This is Natural Selection If there is inheritance, then the survivors will pass on the characteristics that enabled them to survive Those characteristics will be more pronounced in the next generation (evolution by natural selection) N t =N 0 e rt   where                 r = fitness, or birth rate minus death rate                 e = base of natural logarithm, 2.7182                 N 0 = number of organisms at time zero                 N t  = number of organisms at time t
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evolution - Charles Robert Darwin 1809-1882 Studied...

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