3 Questions
Which type of nematode lacks phasmids or caudal chemoreceptors?
Aphasmids
Which life cycle involves laying eggs in segmented stage?
Ovoviviparous
Which nematodes are known as the "Triad of Infection"?
Hookworm, Ascaris, and Trichuris
Study Notes
- Separate sexes with distinguishing tail characteristics.
- Life cycle includes egg, larval, and adult stages.
- Aphasmids lack phasmids or caudal chemoreceptors.
- Phasmids have caudal chemoreceptors.
- Amphid has cephalic chemoreceptors.
- Oviparous lays eggs in unsegmented stage.
- Ovoviviparous/oviviparous lays eggs in segmented stage.
- Viviparous/larviparous produces larvae.
- Different nematodes affect different parts of the body.
- Hookworm, Ascaris, and Trichuris are known as the "Unholy 3" or "Triad of Infection."
Test your knowledge on nematodes and their unique characteristics with this quiz! From their life cycle stages to distinct tail characteristics, see how much you know about these tiny but mighty creatures. Can you distinguish between oviparous, ovoviviparous/oviviparous, and viviparous/larviparous nematodes? And do you know which nematodes affect which parts of the body? Plus, learn about the infamous "Unholy 3
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