A taxon is paraphyletic if it
A)includes the most recent common ancestor of all members of the group and all of its descendants.
B)includes the most recent common ancestor of all members of the group and some,but not all,of its descendants.
C)does not include the most recent common ancestor of all members of the group.
D)includes the most recent common ancestor of all members of the group.

Question

Quizplus · Accepted Answer

A paraphyletic taxon includes the most recent common ancestor of all members of the group and some, but not all, of its descendants. This means that some descendants of a common ancestor are excluded from the taxon, making it incomplete and problematic for classification and evolutionary purposes.

A Taxon Is Paraphyletic If It