Mollusks Questions please helpp?

Question

For each of the groups: Gastropods, bivalves and Cephalopods make a connection between the type of nervous and circulatory systems;

and the method of feeding, locomotion and defensive behaviours.

Thanks for any help in advance! =)

Answer 1

Here you have got some good reference- links that pretty well describe and compare the three mentioned species- gastropods, bivalves and cephalopods..............

http://www.britannica.com/oscar/print?ar...

___________________________________