Water vascular system or ambulacral system is a unique and complex system specially present in?
Correct answer: C. Echinoderms
- A. Sponges
- B. Arthropods
- C. Echinoderms
- D. Fishes
Explanation
Echinoderms, which include organisms like starfish, sea urchins, and sea cucumbers, possess a unique and complex system called the water vascular system or ambulacral system. This system consists of a network of fluid-filled canals and appendages called tube feet, which are used for locomotion, feeding, and respiration.
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