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Species in the Age of Discordance

Haber, Matthew H. (2019) Species in the Age of Discordance. Philosophy, Theory, and Practice in Biology, 11 (021). ISSN 2475-3025

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Abstract

Biological lineages move through time, space, and each other. As they do, they diversify, diverge, and grade away from and into one another. One result of this is genealogical discordance; i.e., the lineages of a biological entity may have different histories. We see this on numerous levels, from microbial networks, to holobionts, to population-level lineages. This paper considers how genealogical discordance impacts our study of species. More specifically, I consider this in the context of three framing questions: (1) How, if at all, does genealogical discordance challenge, modify, or revise how we conceive of species? (2) How has growing appreciation of genealogical discordance impacted scientific practice? Of systematics in particular? (3) How do lineages at different levels diverge and diversify? All told, genealogical discordance enriches and complicates our taxonomic ontology, as well as the practice of reconstructing phylogenies. This presents both challenges and opportunities for the study of divergence and diversification.


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Item Type: Published Article or Volume
Creators:
CreatorsEmailORCID
Haber, Matthew H.matt.haber@utah.edu
Additional Information: ISSN: 1949-0739 (print)
Keywords: Complexity; Discordance; Divergence; Diversification; Phylogenetic Inference; Species
Subjects: Specific Sciences > Biology
Specific Sciences > Biology > Evolutionary Theory
Specific Sciences > Biology > Molecular Biology/Genetics
General Issues > Theory Change
Depositing User: Jordan Miller
Date Deposited: 24 Jul 2020 15:43
Last Modified: 27 Jul 2020 13:59
Item ID: 17663
Journal or Publication Title: Philosophy, Theory, and Practice in Biology
Official URL: https://quod.lib.umich.edu/p/ptpbio/16039257.0011....
DOI or Unique Handle: https://doi.org/10.3998/ptpbio.16039257.0011.021
Subjects: Specific Sciences > Biology
Specific Sciences > Biology > Evolutionary Theory
Specific Sciences > Biology > Molecular Biology/Genetics
General Issues > Theory Change
Date: 15 April 2019
Volume: 11
Number: 021
ISSN: 2475-3025
URI: https://philsci-archive-dev.library.pitt.edu/id/eprint/17663

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