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Bivalent Selection and Graded Darwinian Individuality

Molter, D (2019) Bivalent Selection and Graded Darwinian Individuality. British Journal for the Philosophy of Science.

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Abstract

Philosophers are approaching a consensus that biological individuality, including evolutionary individuality, comes in degrees. Graded evolutionary individuality presents a puzzle when juxtaposed with another widely embraced view: that evolutionary individuality follows from being a selectable member of a Darwinian population. Population membership is, on the orthodox view, a bivalent condition, so how can members of Darwinian populations vary in their degree of individuality? This article offers a solution to the puzzle, by locating difference in degree of evolutionary individuality at the level of population lineages, some of which are more Darwinian than others. In doing so, it sheds light on graded individuality in overlapping and nested population lineages, such as those that arise in multilevel selection and symbiotic collectives.


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Item Type: Published Article or Volume
Creators:
CreatorsEmailORCID
Molter, Dmolterdan@hotmail.com
Keywords: Darwinian individual, unit of selection, evolutionary lineage, biological part-whole relation, population
Subjects: General Issues > Scientific Metaphysics
Specific Sciences > Biology > Evolutionary Theory
Depositing User: Mr. Daniel Molter
Date Deposited: 28 Jun 2019 19:51
Last Modified: 01 Jul 2019 04:10
Item ID: 16154
Journal or Publication Title: British Journal for the Philosophy of Science
DOI or Unique Handle: https://doi.org/10.1093/bjps/axz026
Subjects: General Issues > Scientific Metaphysics
Specific Sciences > Biology > Evolutionary Theory
Date: 26 June 2019
URI: https://philsci-archive-dev.library.pitt.edu/id/eprint/16154

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