Question

Which of the following characteristic feature is unique to phylum Echinodermata?
OPTIONS ARE GIVEN BELOW

1.They are triploblastic.
2.They have true coelom.
3.They have spiny skin.
4.They are found only in marine environments.​

Answer 1

Answer:

Explanation:

Echinoderms are animals that you must be knowing. If you know a starfish, then you are well aware of what an echinoderm is. Echinoderms are animals that are invertebrates. The name actually means spiny skin! All the animals in this phylum exhibit spiny skin and hence are grouped together.