Define bacteria ? in briefly ?
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Answer:
Unlike viruses, bacteria are living single-celled organisms that can reproduce both outside and inside the body. Like all living things, bacteria create waste microscopic poops that can act as a poison inside the host. You can blame sore throats, ear infections, and tooth-tartar buildup on bacteria. 0ne of the most famous bacteria is E coli. This rod-shaped microbe lives deep in your intestines, the body's busiest bacterial neighborhood. Harmful ones make you for days. Helpful E. coli strains produce an important vitamin. That's right some bacteria are actually good for you.
Bacteria are microscopic, single-celled organisms that thrive in diverse environments. These organisms can live in soil, the ocean and inside the human gut.
Humans' relationship with bacteria is complex. Sometimes bacteria lend us a helping hand, such as by curdling milk into yogurt or helping with our digestion. In other cases, bacteria are destructive, causing diseases like pneumonia.