species concept

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  • November 7, 2017 at 8:44 am #77047
    wv
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    science:https://www.sciencenews.org/article/defining-species-fuzzy-art

    “….What’s called the agamospecies concept applies to asexual organisms and cobbles together genetic or other observable similarities. The ecological species concept emphasizes adaptations to particular environmental zones. The nothospecies concept applies to plants arising when parent species hybridize. And so on. That’s not even counting “the cynical species concept,” which Zachos has heard defining a species as “whatever a taxonomist says it is.”
    Land and money

    Species definitions can have ramifications, financial and otherwise, for the wider world. Choosing one species concept over another can change how a creature gets classified, which could determine whether conservation laws protect it. The coastal California gnatcatcher’s status as a distinct subspecies makes it eligible for federal protection to keep the bird’s shrub-land as habitat rather than a real estate development. Critics have argued, however, that the bird isn’t distinct enough from its relatives to merit special protection…..see link

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