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| Phylum Protozoa (Primitive Animals) |
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| Amoeba is a typical protozoan. |
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Unicellular (single celled) animals |
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Aquatic, free-living or parasitic organisms |
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Locomotion with the help of finger-like projections called pseudopodia, cilia or flagella |
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Nutrition is heterotropic |
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Reproduction is by binary or multiple fission and conjugation |
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| Example: Amoeba, Euglena, Paramecium, Plasmodium |
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