Question

what is echinodermata ?❤❤​

Answer 1

Explanation:

heya...............

a phylum of marine invertebrates which includes starfishes, sea urchins, brittlestars, crinoids, and sea cucumbers. They have fivefold radial symmetry, a calcareous skeleton, and tube feet operated by fluid pressure.

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Answer 2

❤❤The word echinodermata means spinny skilled organisms .They are exclusively marine organisms. They are triploblastic. They have true coelom . Their lost parts can be regenerated.

Examples : starfish, sea urchin, sea lily ,sea cucumber.❤

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