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Question no. 2430

Parasites requiring multiple or alternate hosts to complete their development are designated ?

Select your answer for: Parasites requiring multiple or alternate hosts to complete their development are designated ?
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Answer: B. Heteroxenous parasites

Explanation

Heteroxenous parasites require two or more different host species to complete their developmental cycle. These complex organisms alternate between definitive and intermediate hosts during maturation. This multi-host strategy ensures transmission between predators and prey within ecosystems. Definitive hosts harbor the sexually mature adult stage of the parasite. Intermediate hosts support asexual reproduction or larval development phases before transmission. Life cycles involving multiple hosts require precise ecological timing for successful completion.

Medical professionals break heteroxenous parasite transmission chains by targeting intermediate vector hosts. Vector control programs suppress mosquitoes to prevent the spread of multi-host parasitic diseases. Understanding heteroxenous life cycles is essential for managing complex agricultural livestock parasites. Monoxenous parasites complete their entire developmental lifecycle utilizing only a single host species. Phytophagous parasites feed exclusively upon living plant tissues rather than animal hosts. Entomophagous parasites specialize in attacking and developing within insect host organisms.

Subject
Agriculture
Category
Agriculture
Topic
—
Difficulty
medium

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