In Which of the Following Ways Did the Evolution of the Jaw

question 29

Multiple Choice

In which of the following ways 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 made additional food sources available.
• D) It increased the surface area for respiration and feeding.

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Definitions:

Internal Validity

The extent to which an experiment is free from outside variables that might affect the results, ensuring that the outcome is a true reflection of the experimental variables.

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Attitude

A psychological tendency expressed by evaluating a particular entity with some degree of favor or disfavor.

Price

The amount of money required to purchase a good or service.