Definition: Microbiology is the study of microorganisms. Microorganisms are tiny living things that can grow in a variety of environments. They include bacteria, viruses, protozoa, fungi, parasites, and some plants. Microbiology studies the structure, function, and behavior of these small organisms. The word "microbe" refers to any organism smaller than an atom. These microorganisms have the ability to survive in conditions that are very different from their normal environment - such as extreme cold or high pressure. Understanding how microorganisms work can help scientists understand diseases caused by bacteria, viruses, and other pathogens. It also helps us develop new antibiotics and vaccines for diseases caused by these organisms.
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