The Tube Feet of Echinoderms That Are Used for Locomotion

question 16

Multiple Choice

The tube feet of echinoderms that are used for locomotion, capturing prey, and gas exchange are "inflated" by the ________, which is unique to the echinoderms.

• A)coelom
• B)hydrostatic skeleton
• C)tubular gut
• D)water-vascular system
• E)hemocoel

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Definitions:

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