Molecular sequence analysis has revealed that Crustacea is paraphyletic, because it includes an ancestor but not all of its descendants; the descendants not included in this clade are the ____.

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Hexapods, which include insects, have been shown through molecular sequence analysis to be more closely related to certain crustaceans than those crustaceans are to other members of their own group, making Crustacea paraphyletic by excluding hexapods.

Molecular Sequence Analysis Has Revealed That Crustacea Is Paraphyletic, Because