The Water Vascular System of Echinoderms

question 81

Multiple Choice

The water vascular system of echinoderms

• A)functions as a circulatory system that distributes nutrients to body cells.
• B)functions in locomotion, feeding, and gas exchange.
• C)is bilateral in organization, even though the adult animal is not bilaterally symmetrical.
• D)moves water through the animal's body during suspension feeding.
• E)is analogous to the gastrovascular cavity of flatworms.

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