Name of common gut roundworm parasite of humans and pigs.
Correct answer: A. Ascaris lumbericoides
- A. Ascaris lumbericoides
- B. Pheretima posthuma
- C. Lumbericus terresaris
- D. Hirudo medicinalis
Explanation
Ascaris worms inhabit the lumen of the small intestine, usually in the jejunum or ileus. They have a life span of 10 months to 2 years and then are passed in the stool.
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About Kingdom Animalia
Animals are multicellular, heterotrophic eukaryotes whose cells lack cell walls and chloroplasts, with specialised tissues in most groups. Coverage includes body symmetry, tissue layers, coelom, segmentation and levels of organisation, plus major phyla such as Porifera, Cnidaria, Platyhelminthes, Annelida, Arthropoda, Mollusca and Chordata.
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