Which Study Led Biologists to Infer That the Ancient Archosaur

question 34

Multiple Choice

Which study led biologists to infer that the ancient archosaur was active during the night?

• A) Ancestral state reconstruction suggesting that these animals had red fluorescent protein
• B) Ancestral state reconstruction suggesting that these animals had green fluorescent protein
• C) Ancestral state reconstruction suggesting that these animals had opsins that were shifted toward the red
• D) Molecular clock analysis suggesting little evolutionary change from the archosaurs to their nocturnal descendants
• E) Molecular clock analysis suggesting a great deal of evolutionary change from the archosaurs to their nocturnal descendants

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