Name ______________________________________________________ Date_____ Block___
Phylum Annelid Web Quest
 http://animaldiversity.ummz.umich.edu/site/accounts/information/Annelida.html
1. What are the three common types of annelids?
2. What is segmentation?
3. Segmentation is also known as _________________________________.
4. Why is metamerism a benefit?
5. All annelids, except leeches, have ______________________________.
6. What does hydrostatic pressure allow the annelid to do?
7. Describe the following “systems” of the annelid:
a. Circulatory system:
b. Digestive system:
c. Respiratory system:
d. Excretory system:
e. Sensory organs:
f. Reproductive system:

http://www.urbanext.uiuc.edu/worms/
History
8. Why are there very few fossils of worms?
9. How did worms get to North America?
My Family Tree
10. Earthworms belong to which phylum?
11.
Earthworms belong to which class?
12. What is the scientific name for the earthworm?
Anatomy
13. How many segments does an earthworm have?
14. What are setae?
15. What structures helps the earthworm form cocoons?
16. What structure keeps things from getting into the worm's mouth?
17. How many hearts does an earthworm have?
18. How does a worm get oxygen?
19. How long does it take for baby worms to hatch from the cocoon?
20. Do earthworms have eyes? ______ Can they sense light? _______
 http://annelidspolychaetes.weebly.com/digestive-system.html
21. Label the parts of the Annelid’s digestive system.
 http://www.onlinetips.org/earthworms
22. List four benefits of an earthworm:
a. _____________________________________________________
b. _____________________________________________________
c. _____________________________________________________
d. _____________________________________________________
23. During digestion, what soluble nutrients do they add to their waste?
24. Describe earthworm activity in each of the seasons:
a. _____________________________________________________
b. _____________________________________________________
c. _____________________________________________________
d. _____________________________________________________
25. A worm’s survival is most effected by ________________________.
 http://mesa.edu.au/friends/seashores/worms.html scroll up to where it says “Annelid Worms”
26. Phylum _________________________ (Meaning=“little rings”)
27. What characteristic would lead a scientist to classify a worm as an Annelid?
28. Annelids include the following three CLASSES:
a. ____________________________ = Earthworms
b. ____________________________ = Marine worms (i.e. Eunice)
c. ____________________________ = Leeches
29. What is the most obvious feature of polychaetes? What it is used for?
30. What does “parapodia” mean?
31. What are the hardened spike-like structures on the parapodia called?
32. Explain why Bristle Worms are also called fire worms?
33. What features do Annelids have to help them sense their environment?
 http://www.ucmp.berkeley.edu/annelida/polyintro.html
34. CLASS: Polychaeta (Meaning = __________________________)
35. List the number of polychaete species.____________________________
36. Where are polychaetes found?
37. List 7 common names of polychaetes.
38. Many of the polychaetes received their name based on what?
Click on Life History and Ecology
39. Describe how sessile polychaetes feed.
40. How do other non-sessile polychaetes feed?
41. What is unique about the reproduction cycle of the genus Eunice?