1Macroevolution* (Ch. 24.3 and R2)*evolutionary change at or above the species level2Many believe in microevolution but not macroevolution(e.g. Michael Behe, The Edge of Evolution, 2007)3Critique of macroevolution:irreducible complexity http://udel.edu/~mcdonald/mousetrap.htmlStandard 5 part mouse trapSome things are too complex to be random. If one part not there, thenmachine doesn’t workRebuttal: Pieces of complex systems often have functions of their own2 part mouse trap4Ex 1) Bacterial flagellum made of parts that could serve other functionsSimilar to needle-like structures used to inject toxinsOrgel’s second rule:Evolution is clevererthan you are.
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