You Wouldn't Want to Live Without Bacteria!

Though most of them are too small to be seen with the naked eye, bacteria are everywhere. They appeared on Earth more than 3 billion years before the first dinosaurs. Some bacteria cause deadly diseases, but many of them are helpful to us. They fertilize the soil by breaking down dead material, and they are an essential ingredient in many foods. Bacteria in Our own bodies are a vital part of the digestive process. Excerpts From Experts: Bacteria are great survivors. They can be found even in the deepest Parts of the ocean floor. There are more bacteria in your intestines than there are people on Earth. Bacteria are responsible for the flavor of yogurt and the texture of mozzarella cheese. If you enjoy getting dirty, don't worry-some scientists believe that being too clean is not good for you!