Because Shells Require It,land Snails Are Limited to Soils That

Q41: Describe five features,morphological or developmental,that would most

Q42: The Scaphopoda<br>A)lack a shell.<br>B)lack a mantle.<br>C)live in

Q43: Clams burrow by using<br>A)adductor muscles.<br>B)cilia action.<br>C)gills for

Q44: The Polyplacophora<br>A)have a coiled shell.<br>B)live in the

Q45: Cephalopod eyes and vertebrate eyes are anatomically

Q47: The nudibranchs belong to the<br>A)scaphopoda.<br>B)pelecypoda.<br>C)prosobranchia.<br>D)opisthobranchia.<br>E)pulmonata.

Q48: You find an old living freshwater clam.The

Q49: What are the morphological features that distinguish

Q50: Give the supporting evidence that shows that

Q51: In some molluscs,the free-swimming larva is a