Echinodermata is a group of animals

In Echinodermata

In Echinodermata

Monotreme is a group of animals which includes

Monotreme is a group of animals which includes

Echinodermata contains

Uricotelic group of animals is

Echinodermata I.is the largest animal phylum to lack any freshwater or terrestrial representatives . II.constitutes the only major group of deuterostome . III.are diploblastic animals . IV.have direct development with out any larval stage . Choose the correct option .

Give any four characteristic features of phylum Echinodermata. Give the name of any animal belonging to this phylum.