Question

gives two salient features of phy echinodermate​

Answer 1

Answer:

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Answer 2

These are exclusively marine animals.

They are triploblastic and coelomate animals.

The larvae are bilaterally symmetrical while the adults are radially symmetrical.

They have organ system level of body organization.

They have spiny body and the endoskeleton is made of calcareous ossicles.