Echinoderms are characterized by a water vascular system that aids in locomotion, food capture, transport, and respiration. They lack an excretory system.
Echinoderms are characterized by a water vascular system that aids in locomotion, food capture, transport, and respiration. They lack an excretory system.
| Text | The most distinctive feature of echinoderms is the presence of water vascular system which helps in locomotion, capture and transport of food and respiration. An excretory system is absent. |
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