Lec02.Select.Adapt - Evolution:the next several lectures...

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1 Evolution:the next several lectures ± What is it? ± How does it come about? ± What are the consequences? ± What are some of the big questions remaining to be answered? ± Today we’ll start talking about microevolutionary processes ± Evolution that occurs within a species ± Adaptive evolution Selection and Adaptation ± Main points to cover today: ± Darwin’s theory of adaptation via natural selection ± Misconceptions about the theory ± Shortcomings concerning its acceptance prior to modern population genetics ± The rise of population genetics What did Darwin see that others did not? ± The possibility of natural selection due to overproduction of offspring ± Sept 28, 1838, Darwin read Malthus' Essay on the Principle of Population , "and being well-prepared to appreciate the struggle for existence which everywhere goes on from long- continued observation of the habits of animals and plants, it at once struck me that under these circumstances favourable variations would tend to be preserved and unfavourable ones destroyed." ± The essential role of variation
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2 Darwinian Adaptive Evolution
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Lec02.Select.Adapt - Evolution:the next several lectures...

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