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Microorganisms may be found almost anywhere in the [[taxonomy|taxonomic]] structure. [[Bacteria]] and [[archaea]] are always or almost always microscopic, as are most [[protist]]s. Even some [[fungus|fungi]], a primarily macroscopic taxon, are microorganisms. |
Microorganisms may be found almost anywhere in the [[taxonomy|taxonomic]] structure. [[Bacteria]] and [[archaea]] are always or almost always microscopic, as are most [[protist]]s. Even some [[fungus|fungi]], a primarily macroscopic taxon, are microorganisms. |
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Microorganisms are found everywhere in nature, owing to the existence of ''[[extremophile]]s'', microorganisms that have adapted to generally hostile environments. Extremophiles may be found in environments such as the [[geographical pole|poles]], [[desert]]s, [[geyser]]s, just beneath the surface of [[Rock (geology)|rock]]s, and the bottom of the [[deep sea]]. Some are known to survive prolonged time in [[vacuum]], or to be unusually resistant to [[radiation]]. |
Microorganisms are found everywhere in nature, owing to the existence of ''[[extremophile]]s'', microorganisms that have adapted to generally hostile environments. [[Extremophiles]] may be found in environments such as the [[geographical pole|poles]], [[desert]]s, [[geyser]]s, just beneath the surface of [[Rock (geology)|rock]]s, and the bottom of the [[deep sea]]. Some are known to survive prolonged time in [[vacuum]], or to be unusually resistant to [[radiation]]. |
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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 [[pathogen]]s when, as [[parasite]]s, causing [[infection]]s. Microorganisms were probably the first form of life that appeared on earth. Today they have an important place in all ecosystems and in most higher multicellular organisms. For mankind they are important for the creation of certain types of food, medical substances and biological weapons. |
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 [[pathogen]]s when, as [[parasite]]s, causing [[infection]]s. Microorganisms were probably the first form of life that appeared on earth. Today they have an important place in all ecosystems and in most higher multicellular organisms. For mankind they are important for the creation of certain types of food, medical substances and biological weapons. |
Amicroorganismormicrobe 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, and unicellular organism, even though some unicellular protists are visible to the naked eye, and some colonial species are microscopic. All unicellular organisms are able to reproduce themselves without help of other organisms, as opposed to viruses.
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. Microorganisms were probably the first form of life that appeared on earth. Today they have an important place in all ecosystems and in most higher multicellular organisms. For mankind they are important for the creation of certain types of food, medical substances and biological weapons.