Microbiome Glossary

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antibiotics

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Medicines that kill microorganisms, especially bacteria.

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bacteria

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Tiny organisms that are made of a single cell.

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cells

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The tiny structures that make up all living things and are the smallest units able to perform life functions.

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claim

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A proposed answer to a question about the natural world.

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evidence

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Information about the natural world that is used to support a claim.

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infection

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Sickness caused by harmful microorganisms.

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microbiome

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All of the microorganisms that live in a particular environment, such as a human body.

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microorganism

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An organism that is too small to be seen with the naked eye.

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microscopic

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Too small to be seen with the naked eye.

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organisms

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Living things, such as plants, animals, and bacteria.