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Information about Microorganism

A microorganism or microbe is an organism that is so small that it is
invisible to the naked eye. The term is synonymous by usage to single-celled
organism, even though some unicellular protists are visible to the naked
eye, and some colonial species are microscopic.

Microorganisms may be found almost anywhere in the taxonomic structure.
Bacteria and archaea are always or almost always microscopic, as are most
protists. Even some fungi, a primarily macroscopic taxon, are
microorganisms.

Microorganisms are found everywhere in nature, owing to the existence of
extremophiles, microorganisms that have adapted to generally hostile
environments. Extremophiles may be found in environments such as the poles,
deserts, geysers, just beneath the surface of rocks, and the bottom of the
deep sea. Some are known to survive prolonged time in vacuum, or to be
unusually resistant to radiation.

Microorganisms can be helpful in recycling other organisms' remains and
waste products, or when employed in biotechnology, e.g., for brewing and
bakery. They can also be harmful as pathogens when, as parasites, causing infections.

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