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Protozoans, Characteristics, Method of movement, Reproduction, Organism,…
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Ciliates reproduce asexually by binary fission. Ciliates undergo conjugation a sexual process in which genetic information is exchange.
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Test is a hard, porous covering similar to a shell, which surrounds the cell membrane.
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Sporozoans lack contractile vacuoles and structures for movement. Like in amoebas, respiration and excretion occur by diffusion through the plasma membrane. All sporozoans are parasitic.
A sporozoan has both sexual and asexual stages in its life cycle.
It often needs two or more hosts to complete its life cycle.
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At least three species of zooflagellates from the genus Trypanosoma (sleeping sickness) cause infectious diseases in humans that often are fatal because of limited treatment options.
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