Nematoda Worksheet 2
Nematoda Worksheet 2
Nematoda Worksheet 2
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<strong>Nematoda</strong><br />
<strong>Worksheet</strong> 2<br />
Name ________________________________<br />
Date ____________________ Pd. _________<br />
Directions: Answer the following questions using your book and other sources.<br />
1. Classification (complete the diagram)<br />
Kingdom: ______________________<br />
Phylum: _______________________<br />
(Number of species = ________________)<br />
2. The common name for Phylum Nemotoda are the _______________________<br />
3. List in detail the characteristics of the <strong>Nematoda</strong> phylum.<br />
____________________________<br />
____________________________<br />
____________________________<br />
____________________________<br />
___________________________________<br />
___________________________________<br />
___________________________________<br />
___________________________________<br />
4. Most roundworms are free living on land, in freshwater and marine water. However,<br />
several are economically important because they are parasites in animals and plants.<br />
Complete the following table on roundworm parasites in man:<br />
Parasitic Roundworms in Man<br />
Common Name/ Scientific Name/ How is it contracted?<br />
Acaris<br />
________________________________________________________________________<br />
Hookworm<br />
________________________________________________________________________<br />
Trichinosis (disease)<br />
________________________________________________________________________
Filarial worm (Elephantiasis)<br />
________________________________________________________________________<br />
5. List the various functions of the pseudocoelom body cavity.<br />
________________________________________________________________________<br />
________________________________________________________________________<br />
________________________________________________________________________<br />
6. A. What are the two new anatomical features that were not present in the previous animal<br />
phyla? ___________________________ ___________________________<br />
B. Diagram and label the internal structure of the Ascaris both longitudinally and in<br />
crossection.<br />
C. Which sex is larger in Ascaris? _____________How large? ________________<br />
7. A. How large are male and female hookworms? M = __________ F = ___________<br />
B. How long before the larva hatch? _______________<br />
C. What is the secondary host for the hookworm? ___________________________<br />
8. What is a vinegar eel? ___________________________________________________<br />
________________________________________________________________________<br />
9. What is pinworm? ______________________________________________________<br />
________________________________________________________________________