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Some positive effects of protists on our life is that they decompose. Decomposition is important so we're not stepping on dead bodies, in the protists case while we're swimming in a pond, lake, creek, river etc. Another positive effect on life protists have is nutrition, protists are called the grasses of the sea because they provide food to aquatic life. Protists are also used in cosmetic and food products, products like pudding and salad dressing, marshmallows and ice cream. They are found in toothpaste, lotion, and rubber tires.

Negative effects would be disease, famine, mold, and mildew. Protists caused the potato famine of Ireland, a grape famine that almost ruined the French wine business.

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14y ago

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