Question

what is echinodermata​

Answer 1

Answer:

Echinodermata is an interesting animal phylum which includes only marine members. Present day echinoderms arise from biradially symmetrical larvae but are all pentaradially symmetrical.

Explanation:

Echinodermata means spiny skin. Member of this marine animal phylum possesses an endoskeleton that surrounds and protects the body. Endoskeleton is made of calcareous plates and spines arranged in mosaic pattern.

Answer 2

Answer:

✍Echinodermata is an interesting animal phylum which includes only marine members. Present day echinoderms arise from biradially symmetrical larvae but are all pentaradially symmetrical. Echinodermata means spiny skin. Member of this marine animal phylum possesses an endoskeleton that surrounds and protects the body. Endoskeleton is made of calcareous plates and spines arranged in mosaic pattern. ✔

Explanation:

HOPE IT HELP YOU