I Mollusca !

15 Points Per Correct Answer - No time limit  

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

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

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

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? Bivalves Cephalopods Gastropods Chitons

6. Respiration in aquatic mollusks is carried out by? gills nephridia lungs 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 cephalopoda Polyplacophora and gastropoda Gastropods and cephalopods 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