Question

what symmetry is present in starfish and sea urchin? write about any other distinctive features of this phylum​

Answer 1

Answer:

Radial symmetry is present in starfish and sea urchin.

however larva of starfish has bilateral symmetry.

These animals belongs to phylum Ehinodermata.

Distinctive features:i

1) Body have spine like structures so called echinoderms.

2) Water vascular system is present.

3) Excretory system is absent.

4) Development is indirect.

5) Regeneration capacity.