The Legless Condition That Is Observed in Several Groups of Extant

question 58

Multiple Choice

The legless condition that is observed in several groups of extant reptiles is the result of ________.

• A) their common ancestor having been legless
• B) a shared adaptation to an arboreal (living in trees) lifestyle
• C) several instances of the legless condition arising independently of each other
• D) individual lizards adapting to a fossorial (living in burrows) lifestyle during their lifetimes

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