Bacteria can be found almost anywhere on the globe, even in the most remote places, bacteria can be found. Bacteria belong to the oldest group of organisms. A 3.5 billion-year-old fossil contains ancient bacteria (Johnson 339). The tiniest organisms can be filled with bacteria. You cannot see bacteria with out microscope. People can grow bacteria to find out different things. More bacteria will grow yogurt that has more milk fat.
There are three common shapes of
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