Q13 of 16 Page 71

Which phylum do I belong to (AS1)

I am a marine living animal with spiny skin. My body is radially symmetrical………………………

I am a marine living animal with spiny skin. My body is radially symmetrical.

Echinodermata


Explanation: In Greek, echinos means hedgehog, and derma means skin. Thus, these are spiny skinned organisms. These are exclusively free-living marine animals. They have hard calcium carbonate structures that they use as a skeleton, for example, starfish and sea urchins.


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