Unlike Other Molluscs,the __________ Have a Closed Circulatory System

Q28: The rasping structure occurring in the mouth

Q29: The only living cephalopods that possess an

Q30: The inner layer of the mollusc shell

Q31: Snails,slugs,and limpets belong to the molluscan class<br>A)Gastropoda.<br>B)Pelecypoda.<br>C)Polyplacophora.<br>D)Aplacophora.<br>E)Cephalopoda.

Q32: Squids,octopuses,cuttlefishes,and nautili belong to the molluscan class<br>A)Gastropoda.<br>B)Cephalopoda.<br>C)Polyplacophora.<br>D)Bivalvia.<br>E)Pelecypoda.

Q33: In gastropods,food is trapped in mucus and

Q34: The body of molluscs is divided into

Q35: The primary excretory product of aquatic gastropods

Q36: The similarity of design between the eyes

Q38: The diversity of body forms and life-styles