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English, 21.03.2020 10:40 trinityanne1738

What is an ecosystem?
an experiment in which people were placed inside a room that was as free of microbes as possible
a species of bacteria that can help protect our skin against fungi and yeast but can also cause infections and life-threatening diseases
a community of living things that interact with each other and with the non-living things in their environment
a group of scientists studying how microorganisms work in our bodies, and learning about the balance among different bacterial communities

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What is an ecosystem?
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