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Protists are important to humans because they are a major food source, aid in digestion and they consume bacteria. They also produce about half of the world's oxygen. If the world didn't have protists the food chain would collapse, and we wouldn't have as much of the oxygen that we breath today.

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15y ago

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The are many ways in which protists are important to humans. Three of these way are decomposing decaying matter, treating sewage and being used for medicinal value.

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10y ago
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i have know idea sorry

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16y ago
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Q: Three ways that protists are important to humans?
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