Hollow tubes that end in suction cups, echinoderms use them to move and collect food. Tube feet are small, flexible, and extendable appendages on the underside of starfish and sea urchins that help with movement and feeding.
Tube Feet: Hollow tubes that end in suction cups, echinoderms use them to move and collect food. Tube feet are small, flexible, and extendable appendages on the underside of starfish and sea urchins that help with movement and feeding.
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