The Most Primitive Conditions in Today's Molluscs Are Found in the ____________

Q6: The shell of Polyplacophora is divided into

Q26: The empty chambers of Nautilus are connected

Q27: The _ is a rod in the

Q28: Most molluscs are found in fresh water,but

Q29: The Monoplacophora<br>A)lack a shell.<br>B)live in fresh water.<br>C)have

Q30: The edible clams,oysters,and scallops belong to the

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

Q36: Though they evolved from a torted ancestor,opisthobranchs