How Did the Evolution of the Jaw Contribute to Diversification

question 9

Multiple Choice

How did the evolution of the jaw contribute to diversification of early vertebrate lineages?

• A) It allowed for smaller body size.
• B) It was the first stage in the development of a bony skull.
• C) It paved the way for the evolution of the pharyngeal jaw.
• D) It made additional food sources available.
• E) It increased the surface area for respiration and feeding.

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