Question

difference between echinodermata and crustaceans m​

Answer 1

Answer:

Echinoderms : (i) they have radially symmetrical body with varying shapes. (ii) they have exoskeletons with spines all over it. crustaceans: (i) their head and thorax are fused. (ii) they have two pairs of antennae ( feelers ) extending from the head.

Answer 2

Explanation:

Echinoderms have an endoskeleton v. Crustaceans who have exoskeletons, Crustaceans molt and Echinoderms do not, Echinoderms have no body segments and Crustacenas do, Echinoderms have "spiky skin" and Crustaceans do not.