microbiome

Antibiotics: Medicines that kill microorganisms, especially bacteria.

Bacteria: Tiny organisms made of a single cell.

Cells: The smallest structures of living things that can carry out life functions.

Claim: A proposed answer to a question about the natural world.

Evidence: Information about the natural world used to support or refute a claim.

Infection: A sickness caused by harmful microorganisms.

Microbiome: All of the microorganisms that live in a specific environment, such as the human body.

Microorganism: An organism too small to be seen with the naked eye.

Microscopic: Too small to be seen without a microscope.

Organisms: Living things, including plants, animals, and bacteria.

Population: A group of the same type of organism living in the same area.

Reasoning: The process of explaining how evidence supports a claim.

Scale: The relative size of things.

Scientific argument: A claim that is supported by evidence.