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Animal Kingdom

Question
CBSEENBI11025345
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'Water vascular' system is found in

  • sea-anemone

  • sea-pen

  • sea-cucumber

  • sea-horse

Solution

C.

sea-cucumber

The water vascular system is a hydraulic system used by echinoderms such as starfish, sea cucumber, etc, for locomotion, food and water transportation and respiration. The system is composed of canals connecting numerous tube feet. They move by alternately contracting muscles that force water into the tube feet, causing them to extend and push against the ground, then relasing to allow the feet to retract.

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