The traditional class Reptilia is ____ because it does not include all descendants of the most recent common ancestor of reptiles.
A) monophyletic
B) paraphyletic
C) polyphyletic
D) sister taxa
E) cladistic

Question

Quizplus · Accepted Answer

The traditional class Reptilia is considered paraphyletic because it excludes some descendants of the most recent common ancestor, specifically birds and mammals, which are derived from reptilian ancestors.

The Traditional Class Reptilia Is ____ Because It Does Not