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What is Three hosts in life cycle are required in- and explain in detail?
Ans. D. Diphyllobothrium latuma. In D. latum-There are three hosts-one definitive and two intermediateb. Definitive host: man, dog, cat, pigc. First intermediate host: cyclopsd. Second intermediate host: fresh water fishe. Entamoeba histolytica and Trichuris trichiura need only one host (man) in the life cycle.f. Taenia solium requires two hosts in life cycle-man and pig