1. Which of the following groups of animals belong to the phylum Mollusca? tapeworm, fluke, planaria slug, squid, scallop sea cucumber, sea urchin. coral hookworm, earthworm, planaria

2. An organ that is characteristic of some mollusks is the? radula parapodia flame cells ampulla

3. Which of these correctly specifies the 3 distinct body zones of a mollusk? tentacles, shell, mantle visceral mass, gills, mantle foot, visceral mass, mantle foot, mantle, tail

4. Mollusk shells are secreted by the? gills foot mantle visceral mass

5. The group of Mollusks that are generally considered to be the most intelligent are the? Cephalopods Gastropods Bivlaves Chitons

6. Respiration in aquatic mollusks is carried out by? lungs gills nephridia mantle

7. Excretion of metabolic wastes in mollusks is carried out by the? gills nephridia lungs mantle

8. The type of larva seen in all mollusks is the? nautilus blastopore trochophore pupa

9. Which two of the following groups have a radula? Polyplacophora and gastropoda Gastropods and cephalopods Polyplacophora and cephalopoda cephalopods and bivalves

10. The snail the clam and the squid all have one large common feature in common. It is the? stinging cell Eye Foot tentacle