There are three types of archaea. Which one often lives in swamps and give off gas?

There are three types of archaea. Which one live in hot ocean vents and hot springs?

There are three types of archaea. Which one would be found in the Dead Sea?

True or False? All bacteria are harmful.

Bacteria in the soil take nitrogen from the air and change

it into a form that plants can use. This process is called

nitrogen _____

True or False? Bacteria are useful for bioremediation (recycling nutrients and cleaning up pollution).

Many of the foods you eat are made with the help of

bacteria. Bacteria are commonly used in _____ products.

Bacteria change lactose (the sugar in milk) into _____ acid.

A ______ is a medicine that can kill bacteria and other microorganisms.