Give specific features of echinoderms
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I. Spikes present on skin.
2. Free-living marine animals.
3. Triploblastic and have a coelomic cavity.
4. It has a peculiar water-driven tube system called a water vascular system that they use for making movement around
5. It has a hard calcium carbonate structure that is used as a skeleton.
Example: Starfish, sea-urchin.
2. Free-living marine animals.
3. Triploblastic and have a coelomic cavity.
4. It has a peculiar water-driven tube system called a water vascular system that they use for making movement around
5. It has a hard calcium carbonate structure that is used as a skeleton.
Example: Starfish, sea-urchin.
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