Question

Differentiate between mollusca and Echinodermata

Answer 1

Most echinoderms have five appendages, although their are some exceptions. ... Echinodermsbegin life as bilaterally symmetrical, plankton-like larvae, but as they mature their body shape changes. Most mollusks, on the other hand, exhibit bilateral symmetry

Answer 2

Mollusca animals of this group there is a bilateral symmetry the c o e l o m i c cavity is reduced there is little segmentation they have an open circulatory system and kidney like organs for excretion there is a foot that is used for moving around examples of snails and muscles
Echinodermata in Greek echinus means Hedgehog and derma in skin does these are skinned organisms diesel exclusively free living Marine animals they are triploblastic and have a coelomic cavity there are also have a peculiar water driving tube system that have used for moving around they have hard calcium carbonate structures that use as a skeleton examples of Starfish