The Water Vascular System of Echinoderms ________

question 27

Multiple Choice

The water vascular system of echinoderms ________.

• A) functions as a circulatory system that distributes nutrients to body cells
• B) functions in locomotion and feeding
• C) is bilateral in organization, even though the adult animal is not bilaterally symmetrical
• D) moves water through the animal's body during filter feeding

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Definitions:

Formula Box

A field in spreadsheet applications where you enter or edit calculations or functions to be applied to cell data.

Insertion Point

The cursor's location in a document or field where new text or data will be entered.

Vertical Line

A straight line that runs up and down, perpendicular to a horizontal line.

Blinking

A rapid opening and closing of the eyelids or a flickering of light, or to describe text or an object that appears and disappears on a computer screen to attract attention.