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Intro to Nematodes
Chapter 3 Microbiology and Parasitology
| Question | Answer |
|---|---|
| what kingdom does Nematoda belong in? | Animalia |
| what phylum do roundworms belong in? | Nematoda |
| what is the more common name for nematodes? | roundworms |
| what, besides animals, do nematodes infect? | plants |
| how many species of nematodes are there? | 10,000 |
| what is it called when nematodes live a nonparasitic life? | free living |
| what are physical describing words used for nematodes? | elongated, unsegmented, and bilaterally symmetrical |
| what do nematodes have that trematodes and cestodes do not? | a body cavity |
| nematodes are ____ on both ends | rounded, not pointed |
| what is the exterior surface of the nematode covered in? | cuticle |
| what is the layer of tissue under the cuticle called | hypodermis |
| what kind of organisms are nematodes? | multicellular |
| The body cavity of nematodes is not considered a true coelom; rather, it is a____ | pseudocoelom |
| The most important organ systems of the nematode are the ______________ and the ______________ | reproductive and digestive |
| ALL nematodes are____ (regarding the sexes) | dioecious |
| located on the anterior end, a lateral flattened expansion | Cervical alae |
| located on the posterior end, a Lateral flattened expansion on the male nematode and functions to hold on to or grasp the female nematode during mating | copulatory bursa |
| this lies just beneath the hypodermis and allows the nematode to move about |