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Water vascular system is a distinctive feature of
Water vascular system is a distinctive feature of
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Solution
The correct option is A Echinodermata
The water vascular system can be defined as 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. Echinoderms move by alternately contracting muscles that force water into the tube feet, causing them to extend and push against the ground, then relaxing to allow the feet to retract. Adult echinoderms are characterized by having a water vascular system with external tube feet and a calcareous endoskeleton.
The water vascular system can be defined as 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. Echinoderms move by alternately contracting muscles that force water into the tube feet, causing them to extend and push against the ground, then relaxing to allow the feet to retract. Adult echinoderms are characterized by having a water vascular system with external tube feet and a calcareous endoskeleton.
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