Evolution and Climate Variability

See allHide authors and affiliations

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


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.