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.