Rupp
Bio II
Mollusk and Annelid Test and Lab Practical Study Guide
Multiple Choice and Matching
1. What does mollusk mean?
2. What are the characteristics of the trochophore stage?
3. The two main regions of a mollusk are?
4. What is secreted by the mantle?
5. How did mollusks overcome low surface area gas exchange problems?
6. The main feeding adaptation of the mollusks is?
7. What three classes of mollusk were focused on in class?
8. Know some representatives from each class of mollusk.
9. How many shells do gastropods have?
10. What is the relocation of mantle cavity known as in gastropods?
11. What types of circulatory systems are found in mollusks?
12. What type of habitats can snails be found in?
13. What does nudibranch mean?
14. How do slugs respire?
15. How do the adductor muscles of clams work?
16. What is the function of the outer layer of the bivalve shell?
17. What is the inner layer of the bivalve shell commonly called?
18. Know the characteristics of bivalve body structure.
19. How do clams capture their prey?
20. What type of fertilization do marine and freshwater clams use?
21. What type of bivalve is commercially grown?
22. What is the name of the bivalve that is not a filter feeder?
23. How many major types of cephalopod are there?
24. What does cephalopod mean?
25. Know some examples of structural cephalopod features that would lead you to
believe they are predatory.
26. How many tentacles on squids?
27. How large are the largest squids?
28. How many tentacles on octopuses?
29. Which cephalopod has a true shell?
30. What does annelid mean?
31. How are the classes of annelids determined?
32. Know the characteristics of the three classes of annelids.
33. What two types of muscles can be found in the earthworm?
34. Which annelid class do earthworms belong to?
35. Describe the circulatory system of the earthworm.
36. What is the name of the excretory structures in the earthworms?
37. What types of stimuli do earthworms respond to?
Short Answer/Essay
38. Be able to recreate table 37-1. (9)
39. Explain how a sessile creature such as a clam buries themselves in the sand. I
want the methodology of doing so. (3)
40. Come up with five reasons that allow scientists to determine that squids are
predatory creatures. Your responses should be anatomically based. (5)
41. Describe the classification system that allows scientists to differentiate between
the three classes of annelids. (3)
42. Explain the path of food through the earthworm digestive system. Be sure to
mention five organs through which the food passes. (5)
Lab Practical
1. Be able to determine the directionality of a clam, i.e., which end is anterior or
posterior.
2. Know the clam shell structures.
3. What is the relationship between clam excurrent siphon and anus?
4. Be familiar with the clam figure from the dissection handout.
5. Where are the three sets of ganglia located in a clam?
6. Squids belong to what classification?
7. How do you know the difference between arms and tentacles?
8. What is the function of the chitinous teeth in squid suckers?
9. What is a pedicle?
10. What is a radula? Be able to describe it.
11. What is the function of nidamental glands?
12. What is the function of chromatophores?
13. Why are earthworms sometimes called nightcrawlers?
14. How many earthworms are found in an acre of quality soil?
15. What is the job of setae?
16. Know the earthworm segments and what structures can be found at each.
17. How do earthworms eliminate wastes? What is the structure called?
18. Why is earthworm blood red?
The written exam consists of 47 multiple choice, 8 matching, and 5
short answer/essay. Multiple choice and matching are worth 1 point
each. The short answer/essay are worth 25 points.
The lab practical consists of 20 stations and a total of 44 questions
worth 1 point each.
Written test = 80 points
Lab practical = 44 points
Combined test total is 124 points. Study well and good luck!