Phylum Mollusca questions

1. T/F - Molluscs can live in the ocean, in the lakes and in the soil.
2. T/F - Bivalves are typically predaceous carnivores.
3. What are the common names for the Polyyplacophorans?
4. Snails, limpets, slugs, whelks, conchs, periwinkles, and sea butterflies belong to which class?
5. What common animals belong to class Bivalvia?
6. The nautilus, squid, cuttlefish and octopus belong to which class?
7. T/F - Molluscs are triploblastic deuterostomes that have a complete coelom.
8. What are the two main features of the molluscan body plan?
9. Which section includes the sensory organs?
10. What layer of the shell is on the outside?
11. The calcium carbonate is found in what layer?
12. The pearl comes from what layer of the shell?
13. What secretes the shell for  Molluscs?
14. T/F - In cephalopod squids the visceral mass has been modified into a siphon used for jet propulsion.
15. What are other modifications of the foot?
16. What type of tissue is the mantle?
17. What is housed in the mantle cavity?
18. Filaments make up what structure?
19. What is a lamellae?
20. T/F - Bipectinate filaments would indicate a small, or reduced mantle cavity?