Microbes are
SUPER SMALL!
Some can
multiply and mutate
IN MINUTES!
And they're
EVERYWHERE!
Microbes are singled-celled organisms that are invisible to the eye. But some can be seen with microscopes . They're the oldest form of life on Earth .
Microbes are all over the surfaces of your house, on your skin, and in the air you breathe. Right now, trillions of microbes are living in your body! Don't worry, while some are "germs," most microbes are harmless to humans.
Find out more about three types of microbes: bacteria, viruses, and protists.
Bacillus
Acanthamoeba
Illustrations: Jake MacDonald. Photos: Bacillus, © IGEM; Influenza, © CDC; Acanthamoeba, © CDC