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12y ago

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The three major groups of parasites are protozoa, helminths (worms), and ectoparasites. Protozoa are single-celled organisms that can infect various parts of the body, helminths are multicellular worms that can be either roundworms or flatworms, and ectoparasites are organisms that live on the body's surface, such as lice or ticks.

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9mo ago
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helminthes, protozoans and Athropods

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Q: What are the three major groups of parasites?
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