Question

4 water vascular System
is
found on​

Answer 1

Answer:

echinoderms eg starfish sea urchin etc

Answer 2

Answer:

The water vascular system controls the tube feet hydraulically through a complex of fluid filled canals and reservoirs. Unlike other echinoderms, the madreporite of the holothuroideans is located internally below the pharynx and opens to the coelom instead of the outside world.

Explanation:

The water vascular system is a hydraulic system used by echinoderms, such as sea stars and sea urchins, for locomotion, food and waste transportation, and respiration. The system is composed of canals connecting numerous tube feet.

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