Question

Explain the general charaters of phylum Mollusca. Give one example of following classes of Mollusca;
(i) Gastropoda; (ii) Pelecypoda;
(iii) Cephalopoda.

Answer 1

Answer:

the answer is in the explanation

Explanation:

molluska is the animal phylla . animals in this group are bilaterally symmetrical with soft bodies and without appendages. they are triplobalstic, shelled and have reduced coelomic cavity they have open air circulatory system and kidney like organs for excretion body is differentiated into head and foot the foot is used for moving around and head occurs anteridly and has sense organs

i- gastropoda= moon snails, apple snails

ii- pelecypoda= mussels

iii- cephalopoda=octopus