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What if it has a different function from its original

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Unformatted text preview: get the expected number of offspring. The sooner you have offspring, they sooner they do, etc., etc. This means you have a greater contribution to the future. If we deal in proportions (we do) we relativize fitness to the (usually) highest fitness genotype. Highest relative fitness equals 1 and everything else has a percentage fitness relative to that. Adaptation Adaptations are produced by selection How do we decide whether some phenotypic character is an adaptation? Does it enhance fitness? And is it heritable? If so, then it is an adaptation Troubles: What if it has no variation? What if it has a different function from its original function? Should we preserve the term “adaptation” for those original purposes?...
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