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Biology, 02.10.2019 00:00 skboy1050

Three living species x, y, and z share a common ancestor t, as do extinct species u and v. a grouping that consists of species t, x, y, and z (but not u or v) makes up

a. a monophyletic taxon.

b. an ingroup, with species u as the outgroup.

c. a paraphyletic group.

d. a polyphyletic group

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Three living species x, y, and z share a common ancestor t, as do extinct species u and v. a groupin...
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