Why Do Some Biologists NOT Consider Reptiles to Be a Monophyletic

question 27

Multiple Choice

Why do some biologists NOT consider reptiles to be a monophyletic group?

• A) Birds are the direct descendants of some reptiles.
• B) Reptiles evolved independently at several different times in the past and from several different ancestral species.
• C) Reptiles, birds, amphibians, and fish appeared in the fossil record at approximately the same time.
• D) All reptiles do not reproduce sexually.
• E) The ancestors of reptiles are the class Amphibia.

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