Where Do Bacteria Live?
Bacteria are single-celled organisms. They are very tiny—tiny enough that you cannot see one with the naked eye (although you can see a whole bunch). Bacteria serve all sorts of functions in the environment and your body, such as helping nutrients in the soil, and helping you digest your lunch. They are also harmful kinds of bacteria, which is why people always stress the importance of hand-washing. There is no escape from bacteria…they are everywhere!
Bacteria are asexual, meaning they reproduce on their own. They reproduce by binary fission, which divides on cell in to two, two cells into four, and four cells into eight! This is how you will grow enough bacteria to see with the naked eye.
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