OESOPHAGUS STOMACH
ECHINODERMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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mouth and eyes
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thousands of tube feet
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arms and legs
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None of the above
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Detailed explanation-1: -It is composed of channels connecting numerous tube feet. Complete answer: The water vascular system belongs to the members of phylum Echinodermata . The water vascular system is a distinguishing characteristic of echinoderms like starfishes, sea urchins and sea cucumbers etc..
Detailed explanation-2: -Sea stars have a water vascular system and tube feet much like those of the sea urchins.
Detailed explanation-3: -Water Vascular System. The water vascular system of echinoderms is essentially a system of fluid-filled canals that extend along each of the body regions and have many external projections called tube feet.
Detailed explanation-4: -The water vascular system is present in echinoderms which help in gaseous exchange, nutrient circulation, and waste elimination. A water vascular system is a hydraulic system used by echinoderms, such as sea stars and sea urchins. This is present in a system of canals.