How do echinoderms use their feet to locomote themselves?\nOptions:\n- (A) one at a time\n- (B) to move people\n- (C) running and lifting\n- (D) protein channels\n- (E) a hydraulic system\n- (F) it needs them\n- (G) undulations\n- (H) It helps them survive
Let's be accurate as possible. Think before you answer.
(E)
Echinoderms have a unique water vascular system with tube feet.

Echinoderms have a hydraulic system of locomotion called the water vascular system.

Echinoderms have a hydraulic system of locomotion with tube feet.

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The answer: (E)