Echinodermata  I.is the largest animal phylum to lack any freshwater or terrestrial representatives
Channel: Doubtnut
Date: 2020-05-03

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 .