Mollusca and Annelida Review Activity
Phylum of Mollusks =_______________________
1. List the three classes of Mollusks. Give an example of each.
 ________________________________
_____________________________
 ________________________________
_____________________________
 ________________________________
_____________________________
2. List the three parts of the mollusk body and the f(x)s of each
 ________________________________
_____________________________
 ________________________________
_____________________________
 ________________________________
_____________________________
3. Define:
a. Nacre ___________________________________
b. Radula___________________________________; which class does NOT have
one?_________________________
c. Closed circulatory system ____________________________;
which classes have one?
_______________________
______________________
4. Which class is all predators? ______________________
5. Which class has no head or brain? ______________________
6. Which class has learning, memory, and a true eye with a lens? __________________
7. Which class most often makes pearls? __________________
8. Which class has two shells? ______________________
9. Which class has one shell (most, or none (some? _________________
10. Which class has no shell (with one exception) _______________ what is the exception?
___________________________
11. Which class exhibits torsion? ________________________
12. Which class is the largest and most diverse class? ________________
13. Which class has a funnel for locomotion? ______________________
14. Which class has some members that have ink? _____________
15. Which class are mainly filter feeders? ________________________
16. Which class are mostly herbivores? __________________________
17. Which class has chromatophores for rapid color change? ____________________
18. Which class has some members with beak-like jaws, some with venom? ______________
19. Which class uses its foot to pull it along, dig, or bury itself in the sand?
_______________
20. Which class has terrestrial members? ______________________
Phylum of segmented worms = ________________________
1. List the three classes of Annelids. Give an example of each.
 ________________________________
_____________________________
 ________________________________
_____________________________
 ________________________________
_____________________________
2. Define:
a. Metamere ___________________________________
b. Setae______________________________________
c. Septum_____________________________________
d. Nephridia___________________________________
e. Ring vessels_________________________________
f. Hydrostatic skeleton__________________________
g. Cuticle____________________________________
h. Clitellum___________________________________
i. Crop_____________________________________
j. Gizzard_______________________________________
3. Which class has 34 segments?____________________________
4. Which class always has a Clitellum?________________________
5. Which class has no setae or septa?__________________________
6. Does the phylum have a complete or incomplete digestive tract? (circle)
7. Does the phylum have an open or closed circulatory system? (circle)
8. Does the earthworm have a dorsal or ventral nerve cord? (circle)
9. Does the earthworm have a brain? (circle) yes no
10. How many suckers does the leech have? Where are they? __ __________________
11. What three substances are in leech saliva, and what is their function?
______________________
____________________
______________________
____________________
______________________
____________________
12. What kind of muscles do earthworms have? _____________ ____________________
13.Are earthworms monoecious or dioecious? (circle)
14.Which class contains ectoparasites?___________________________
15. What is the habitat of earthworms?__________________
16. Which class has few bristles?____________________________
17. Which class has many bristles?______________________________
18. What digests blood for the leeches?___________________
19. What is the f(x) of setae?______________________________
20. What type of fertilization do earthworms have (internal or external)? (circle)