Species selection on variability

Proceedings of the National Academy of Sciences of the United States of America 90:595-599 (1993)
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Abstract

this requirement for adaptations. Emergent characters are always potential adaptations. Not all selection processes produce adaptations, however. The key issue, in delineating a selection process, is the relationship between a character and fitness. The emergent character approach is more restrictive than alternative schemas that delineate selection..

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Elisabeth Lloyd
Indiana University, Bloomington

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