Characteristics of nematode
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Answer:
Following are the important characteristics of Nematoda:
1. Their body is bilaterally symmetrical and triploblastic.
2. They are cylindrical in shape.
3. They exhibit tissue level organization.
4. Their body has a cavity or pseudocoelom.
5. The alimentary canal is distinct, with the mouth and the anus.
6. They are sexually dimorphic.
7. They are devoid of the circulatory system and respiratory system.
8. They are free-living or parasitic.
9. Parasitic nematodes cause diseases in the host.
10. Fertilization is internal and reproduction is sexual.
11. Their cuticle moults periodically.
12. The epidermis is synctical and contains dorsal or ventral nerve cords.
13. The body-wall muscles are longitudinal.
14. They possess amoeboid sperm cells.
15. They consist of chemosensory organs called aphids situated on the lips.
Answer:
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