Molluscs Evolved in Fresh Water,and Therefore the Majority of Species

Q17: Chitons have eight plates embedded in their

Q18: Locomotion in most of the Bivalvia is

Q19: Most cephalopod molluscs can change colors because

Q20: In coelomate animals,the coelom<br>A)develops as a secondary

Q21: Because of "coiling," most gastropods can be

Q23: The cephalopod _ has a mantle length

Q24: The water current in the body of

Q25: The tongue-like,rasping organ in the head of

Q26: The empty chambers of Nautilus are connected

Q27: The _ is a rod in the