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Definition of Polyphyletic
1. a. Pertaining to, or characterized by, descent from more than one root form, or from many different root forms; polygenetic; -- opposed to monophyletic.
Definition of Polyphyletic
1. Adjective. (biology) Having multiple ancestral sources; referring to a taxon that does not contain the most recent common ancestor of its members. ¹
¹ Source: wiktionary.com
Definition of Polyphyletic
1. [adj]
Medical Definition of Polyphyletic
1. Composed of members that originated, independently, from more than one evolutionary line. Compare: monophyletic. (09 Oct 1997)
Lexicographical Neighbors of Polyphyletic
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