Perspective

Evolution and Climate Variability

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Science  16 Aug 1996:
Vol. 273, Issue 5277, pp. 922-923
DOI: 10.1126/science.273.5277.922

Summary

According to natural selection theory, major adaptive change depends on consistency in the effects of Darwinian selection. In his Perspective, Potts argues that another force is at work: variability selection, in which certain organisms adapt to wide fluctuations in environmental conditions.