Darwinism and the Expansion of Evolutionary Theory

Details Darwinism and the Expansion of Evolutionary Theory Darwinism and the Expansion of Evolutionary Theory

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982sci...216..380g&link_type=abstract

Science, Volume 216, Issue 4544, pp. 380-387

Physics

18

Scientific paper

The essence of Darwinism lies in the claim that natural selection is a creative force, and in the reductionist assertion that selection upon individual organisms is the locus of evolutionary change. Critiques of adaptationism and gradualism call into doubt the traditional consequences of the argument for creativity, while a concept of hierarchy, with selection acting upon such higher-level ``individuals'' as demes and species, challenges the reductionist claim. An expanded hierarchical theory would not be Darwinism, as strictly defined, but it would capture, in abstract form, the fundamental feature of Darwin's vision--direction of evolution by selection at each level.

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