Samir Okasha
University of Bristol
The group selection controversy is about whether natural selection ever operates at the level of groups, rather than at the level of individual organisms. Traditionally, group selection has been invoked to explain the existence of altruistic behaviour in nature. However, most contemporary evolutionary biologists are highly sceptical of the hypothesis of group selection, which they regard as biologically implausible and not needed to explain the evolution of altruism anyway. But in their recent book, Elliot Sober and David Sloan Wilson [1998] argue that the widespread opposition to group selection is founded on conceptual confusion. The theories that have been propounded as alternatives to group selection are actually group selection in disguise, they maintain. I examine their arguments for this claim, and John Maynard Smith's arguments against it. I argue that Sober and Wilson arrive at a correct position by faulty reasoning. In the final section, I examine the issue of how to apply the principle of natural selection at different levels of the biological hierarchy, which underlies the dispute between Sober and Wilson and Maynard Smith.
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DOI 10.1093/bjps/52.1.25
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Making the Most of Clade Selection.W. Ford Doolittle - 2017 - Philosophy of Science 84 (2):275-295.
Multilevel Selection and the Major Transitions in Evolution.Samir Okasha - 2005 - Philosophy of Science 72 (5):1013-1025.
Multi-Level Selection, Covariance and Contextual Analysis.Samir Okasha - 2004 - British Journal for the Philosophy of Science 55 (3):481-504.

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