Which Statement About the Molecular Clock Is True

question 21

Multiple Choice

Which statement about the molecular clock is true?

• A) It requires monophyletic taxa.
• B) It requires calibration with independent data, such as from the fossil record.
• C) It requires binomial nomenclature.
• D) It can only be used if the species diverged less than about 100 million years ago.
• E) It can only be used if the species diverged more than about 20 million years ago.

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