Category Archives: Species concepts

What is a species? I don’t know. And honestly, I don’t really care too much. Species is just a semantic label I place on a set of individuals related to a phylogeny. There tends to be a correlation in genetic variants between these creatures. For sexual organisms, which does not include all organisms, it generally […]

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Of all the taxonomic ranks species is the most clear, distinct, and concrete. More practically, it is the level which most naturally falls out of the patterns of life’s tree. Or does it? If the term “species concept” does not ring a b…

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John Hawks and Jerry Coyne are mooting the ‘species concepts’ debate, with particular focus on recent human origins (specifically, the relationship of modern humans to Neandertals and Denisovans). Coyne, who coauthored the book Speciation …

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Razib Khan