Echinoderm

A marine invertebrate with an internal skeleton and a water vascular system, like a starfish. Echinoderm. An echinoderm is a sea creature with a spiny skin and a system that uses water to help it move and feed.

Echinoderm Definition - Easy to Understand | GradesUp.gg
Echinoderm Definition - Easy to Understand | GradesUp.gg

Echinoderm: A marine invertebrate with an internal skeleton and a water vascular system, like a starfish. Echinoderm. An echinoderm is a sea creature with a spiny skin and a system that uses water to help it move and feed.

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