Clade meaning

klād
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A grouping of organisms made on the basis of their presumed evolutionary history, consisting of a common ancestor and all of its descendants.
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A group of living organisms that includes all the descendants sharing specific genetic traits of a common ancestor.
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A grouping of organisms made on the basis of their presumed evolutionary history, consisting of a common ancestor and all of its descendants.
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A grouping of organisms made on the basis of their presumed evolutionary history, rather than purely on shared features. Clades consist of a common ancestor and all its descendants. The class Aves (birds) is a clade, but the class Reptilia (reptiles) is not, since it does not include birds, which are descended from the dinosaurs, a kind of reptile. Many modern taxonomists prefer to use clades in classification, and not all clades correspond to traditional groups like classes, orders, and phyla.
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(biology, systematics) A group of animals or other organisms derived from a common ancestor species.
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(genetics) A higher level grouping of a genetic haplogroup.
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Origin of clade

  • From Greek klados branch

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Ancient Greek κλάδος (klados, “shoot, branch”); coined 1957 by biologist Julian Huxley.

    From Wiktionary