Evolutionarily,the Jaws of Vertebrates Developed from

question 25

Multiple Choice

Evolutionarily,the jaws of vertebrates developed from

• A)the circular mouth of lampreys.
• B)the last gill arch of jawless fishes.
• C)the third and fourth gill arches of jawless fishes.
• D)the operculum.
• E)the claspers.

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