The growing, feeding stage of a protozoan parasite is called which stage?

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Prepare for your Manor Preboards Module 6 Test with flashcards and multiple choice questions. Each question includes hints and explanations.

Multiple Choice

The growing, feeding stage of a protozoan parasite is called which stage?

Explanation:
The growing, feeding stage is the trophozoite. In protozoan parasites, the trophozoite is the active, metabolizing form that consumes nutrients and enlarges. When conditions become unfavorable, many protozoa form a cyst, a dormant and resistant stage used for survival and transmission, which is not feeding. Other forms, like sporozoites, are typically the infectious stage that enters a new host, and merozoites are a reproductive stage that bursts out to invade cells, not the feeding stage. So the term that describes the active, feeding growth phase is trophozoite.

The growing, feeding stage is the trophozoite. In protozoan parasites, the trophozoite is the active, metabolizing form that consumes nutrients and enlarges. When conditions become unfavorable, many protozoa form a cyst, a dormant and resistant stage used for survival and transmission, which is not feeding. Other forms, like sporozoites, are typically the infectious stage that enters a new host, and merozoites are a reproductive stage that bursts out to invade cells, not the feeding stage. So the term that describes the active, feeding growth phase is trophozoite.

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