Philosophy of Science 72 (5):1026-1040 (2005)

Andrew Hamilton
Arizona State University
Matt Haber
University of Utah
Samir Okasha argues that clade selection is an incoherent concept, because the relation that constitutes clades is such that it renders parent-offspring (reproduction) relations between clades impossible. He reasons that since clades cannot reproduce, it is not coherent to speak of natural selection operating at the clade level. We argue, however, that when species-level lineages and clade-level lineages are treated consistently according to standard cladist commitments, clade reproduction is indeed possible and clade selection is coherent if certain conditions obtain. Despite clade selection's logical coherence, however, we share some of Okasha's pessimism. Whether or not clades are a unit of selection is ultimately a question of empirical support and theoretical import.
Keywords Natural Kinds, selection, biology
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Reprint years 2005
DOI 10.1086/508101
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References found in this work BETA

Phylogenetic Systematics.Willi Hennig, D. Dwight Davis & Rainer Zangerl - 1980 - Philosophy of Science 47 (3):499-502.
Getting Rid of Species?Brent D. Mishler - 1999 - In Robert A. Wilson (ed.), Species: New Interdisciplinary Essays. MIT Press. pp. 307-315.

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Citations of this work BETA

Making the Most of Clade Selection.W. Ford Doolittle - 2017 - Philosophy of Science 84 (2):275-295.
Clades Are Reproducers.Andrew Hamilton & Matthew H. Haber - 2006 - Biological Theory 1 (4):381-391.
Do Clades Cladogenerate?Olivier Rieppel - 2008 - Biological Theory 3 (4):375-379.

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