Question

Give specific features of echinoderms​

Answer 1

Answer:

Characteristics of Echinodermata

• They have a star-like appearance and are spherical or elongated.
• They are exclusively marine animals.
• The organisms are spiny-skinned.
• They exhibit organ system level of organization. ...
• They are triploblastic and have a coelomic cavity.
• The skeleton is made up of calcium carbonate.