The Microbe Sleuth can help us find a definition. Find out at Cells Alive . Cells Alive has a cool model of a bacteria. Draw the model and label all the parts. Find out at the Life Science Safari .
Bacteria can live in some rather extreme environments.
The Life History and Ecology of Bacteria site can help you find three environments that bacteria call home. List them here. While bacteria can be beneficial, they can also be deadly. Scroll this list at the Center for Disease Control website and write down five diseases that you recognize the name. Or try this quiz from Cells Alive .