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Question
Describe the characteristics of kingdom Protista.
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Solution
Kingdom Protista includes mainly unicellular eukaryotic organisms. They possess a true nucleus and membrane-bound organelles. Many live in water; some are solitary or colonial, free-living or parasitic. Their nutrition may be autotrophic, as in unicellular algae, or heterotrophic, as in many protozoans. Movement may occur by cilia, flagella or pseudopodia.
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