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NEET UG BIOLOGY MCQ: EVOLUTION
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Hard
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Analyzing
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A biologist is trying to infer how five closely related species of snakes are related to one another. She noticed that some of the snakes have forked tongues and others do not. Which of the following would help her to distinguish their ancestral state?
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Correct option: B
She locates a specimen of a more distantly related snake to see if it has a forked tongue
Option B is correct. Comparing to a more distantly related snake helps determine if the forked tongue is an ancestral trait (present in the common ancestor) or a derived trait (evolved later).
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