1. No category

Name: ___________________ _____________________ Block: __________ Date: ____________________________
Biology 11
Annelid Worksheet #2
1. Complete the table below. (10 marks)
Traits
Habitat(s)
Oligochaeta
Example(s)
Setae?
Hirudinea
Fanworm and
clamworm
Yes
Parapodia?
Unusual
characteristics
Polychaeta
Soil
Yes
Uses alternating
movement of
circular and
longitudinal muscles
for movement
2. What is the most significant difference between leeches and the other classes of
annelids? (1 mark)
3. How do the parapodia of polychaetes serve as respiratory organs? (1 mark)
4. How do polychaetes differ from all other annelid groups? (1 mark)
Name: ___________________ _____________________ Block: __________ Date: ____________________________
5. Identify ways in which leeches are helpful and ways in which they are harmful. (2 marks)
6. How is the habitat and lifestyle of leeches different from that of fanworms and
clamworms? (1 mark)
7. List the basic structures and functions that support the life processes of an earthworm
by filling in the table with brief descriptions. (4 marks)
Life Functions
Movement and Support
Excretion and Digestion
Respiration and
Circulation
Response and
Reproduction
Describe the structures involved