Barker, Matthew J. (2018) Species and Other Evolving Lineages as Feedback Systems. Philosophy, Theory, and Practice in Biology, 11 (013). ISSN 2475-3025
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Abstract
This paper proposes a new and testable view about the nature of species and other evolving lineages, according to which they are feedback systems. On this view, it is a mistake to think gene flow, niche sharing, and trait frequency similarities between populations are among variables that interact to cause some further downstream variable that distinguishes evolving lineages from each other, some sort of “species cohesion” for example. Instead, gene flow, niche sharing, similarities between populations, and other causal variables feed into each other—instances of these at earlier times help cause instances of these same variables at later times. And any lineage-identifying cohesion just is the recurrence or cycling of these feedback relations within metapopulations over generations. Such cohesion can then be represented as variable M within multi-dimensional variable spaces, where values of M vary dynamically with the frequency and magnitude of feedback relations. Related conditions for being a species or other evolving lineage are then clarified. To argue for the development and testing of this view, the paper shows how it improves upon others.
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| Item Type: | Published Article or Volume | ||||||
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| Additional Information: | ISSN: 1949-0739 (print) | ||||||
| Keywords: | Evolutionary Unit; Evolving Lineage; Feedback System; Species Cohesion; Species Concept; Species Problem | ||||||
| Subjects: | Specific Sciences > Biology > Evolutionary Theory Specific Sciences > Biology > Systematics General Issues > Models and Idealization |
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| Depositing User: | Jordan Miller | ||||||
| Date Deposited: | 24 Jul 2020 15:44 | ||||||
| Last Modified: | 27 Jul 2020 14:00 | ||||||
| Item ID: | 17662 | ||||||
| Journal or Publication Title: | Philosophy, Theory, and Practice in Biology | ||||||
| Publisher: | University of Michigan Library | ||||||
| Official URL: | https://quod.lib.umich.edu/p/ptpbio/16039257.0011.... | ||||||
| DOI or Unique Handle: | 10.3998/ptpbio.16039257.0011.013 | ||||||
| Subjects: | Specific Sciences > Biology > Evolutionary Theory Specific Sciences > Biology > Systematics General Issues > Models and Idealization |
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| Date: | 1 November 2018 | ||||||
| Volume: | 11 | ||||||
| Number: | 013 | ||||||
| ISSN: | 2475-3025 | ||||||
| URI: | https://philsci-archive.pitt.edu/id/eprint/17662 |
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