Though They Evolved from a Torted Ancestor,opisthobranchs Have Undergone Various

Q6: The shell of Polyplacophora is divided into

Q31: The most primitive conditions in today's molluscs

Q32: The largest invertebrate known,the giant squid,belongs to

Q33: Classes _ and _ are small groups

Q35: The Solenogasters<br>A)live on the sea bottom and

Q37: The Polyplacophora<br>A)have a coiled shell.<br>B)live in the

Q38: The cephalopods are the marine active predators.

Q39: With respect to obtaining food,most clams and

Q40: The group of molluscs which are most

Q41: Members of the class Monoplacophora were believed