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Mrs. Garbiel Marine Biology Mollusk Exam _2010_ 1. The bump on

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Mrs. Garbiel Marine Biology Mollusk Exam _2010_ 1. The bump on Powered By Docstoc
					  Mrs. Garbiel: Marine Biology Mollusk Exam (2010)


                                1. The bump on the dorsal edge of a clam shell
                                is called the ______________ . It is the
                                [oldest/youngest] part of the shell.




2. Pigment cells, called ___________________ located in the outer mantle,
allow cephalopod to change color and blend in with their surroundings.

3. The flexible tongue-like strip covered with abrasive teeth that is found in
all mollusks except bivalves is called a _____________________.

4. Which organ is used by clams for respiration? _____________

5. The octopus, squid, and chambered nautilus belong to the CLASS of
mollusks called ________________. What critter also belongs that I did
not mention? __________________

6. Slugs and snails belong to the CLASS of Mollusks called ______________.

11. What is the purpose of the excurrent siphon? ______________

13. The function of N & F is to
___________________________

14. The function of J is to
___________________________

15. The function of L is to
___________________________

16. What is this?
_______________________
17. What is this arrow pointing to?

___________________

18. What is it’s function?

______________________________

19. What is this? [clam, mussel,
oyster, scallop]

20. What are these lines called?

_________________________




21. What organ “fans” food into their mouth? _______________

22. What organ allows for a cephlapod to have jet propulsion?
________________

23. The only cephalopod that has retained its external shell is the
___________________.




24.What is this? ____________




25.What is this?_________________
26. What is this? _______________




27. What is this?________________




28. What is this? ________________




29. What is this? ________________




30. What is this? ________________




31. What is this? ________________

32. What is this? ________________




33. What is this? ________________

34. What is the backbone of a squid called? _________________

35. What is the hole called on this shell? _______________

36. Draw an arrow to the oldest part of this shell.
37. Name two important human uses for mollusks.
______________________________________________________________

38. Explain how regular AND cultured pearls are made.

______________________________________________________________

______________________________________________________________

______________________________________________________________

______________________________________________________________

______________________________________________________________




39.Draw an arrow to indicate the direction the squid moves.

40. Squid have suckers on the whole tentacle [true/false].

41. What is the purpose of a cephlapod beak? _______________________

42. What is the purpose of a cephlapod fin? ______________________

43. What is A/C __________________F__________________

L ________________ E ________________

				
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