This protozoa has a trophozoite stage but no cyst stage and reproduces via longitudinal binary fission. The parasite belongs to which category?

a. Amebae
b. Flagellates
c. Ciliates
d. Microsporidia


B
Both Dientamoeba fragilis (internal flagella) and the genus Trichomonas have a trophozoite stage but no cyst stage. Reproduction occurs by longitudinal binary fission. Both parasites are flagellates.

Biology & Microbiology

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