What does micro-organisms mean?

Definitions for micro-organisms
micro-or·gan·isms

This dictionary definitions page includes all the possible meanings, example usage and translations of the word micro-organisms.


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Wikipedia

  1. micro-organisms

    A microorganism, or microbe, is an organism of microscopic size, which may exist in its single-celled form or as a colony of cells. The possible existence of unseen microbial life was suspected from ancient times, such as in Jain scriptures from sixth century BC India. The scientific study of microorganisms began with their observation under the microscope in the 1670s by Anton van Leeuwenhoek. In the 1850s, Louis Pasteur found that microorganisms caused food spoilage, debunking the theory of spontaneous generation. In the 1880s, Robert Koch discovered that microorganisms caused the diseases tuberculosis, cholera, diphtheria, and anthrax. Because microorganisms include most unicellular organisms from all three domains of life they can be extremely diverse. Two of the three domains, Archaea and Bacteria, only contain microorganisms. The third domain Eukaryota includes all multicellular organisms as well as many unicellular protists and protozoans that are microbes. Some protists are related to animals and some to green plants. There are also many multicellular organisms that are microscopic, namely micro-animals, some fungi, and some algae, but these are generally not considered microorganisms.Microorganisms can have very different habitats, and live everywhere from the poles to the equator, deserts, geysers, rocks, and the deep sea. Some are adapted to extremes such as very hot or very cold conditions, others to high pressure, and a few, such as Deinococcus radiodurans, to high radiation environments. Microorganisms also make up the microbiota found in and on all multicellular organisms. There is evidence that 3.45-billion-year-old Australian rocks once contained microorganisms, the earliest direct evidence of life on Earth.Microbes are important in human culture and health in many ways, serving to ferment foods and treat sewage, and to produce fuel, enzymes, and other bioactive compounds. Microbes are essential tools in biology as model organisms and have been put to use in biological warfare and bioterrorism. Microbes are a vital component of fertile soil. In the human body, microorganisms make up the human microbiota, including the essential gut flora. The pathogens responsible for many infectious diseases are microbes and, as such, are the target of hygiene measures.

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Numerology

  1. Chaldean Numerology

    The numerical value of micro-organisms in Chaldean Numerology is: 1

  2. Pythagorean Numerology

    The numerical value of micro-organisms in Pythagorean Numerology is: 2

Examples of micro-organisms in a Sentence

  1. Andreas Essig:

    Horse dung is a very rich substrate that harbours a diversity of micro-organisms, including fungi and bacteria, now these micro-organisms are in a constant competition for nutrients and space and it's therefore very likely to find potent antibiotics in such an environment, which are used by the different organisms to inhibit the growth of the competitors.

  2. Rebecca Pruthi:

    Speak to the supervisor at the salon regarding what type of foot baths are used, a lot of micro organisms are lingering within the jets of the whirlpool. Pipe-free whirlpools are better.

  3. David Perry:

    We're not modifying nature in any way, we're simply identifying micro-organisms that are already beneficial to the plants and applying them in high concentrations to the seed.

  4. Ana Paula D'Alincourt Carvalho Assef:

    There is the risk of contracting diseases, which are not more serious that those caused by other micro-organisms, the problem is that in case of infection it is possible that treatment involves hospitalization.

  5. Boris Sauterey:

    Could Mars still be inhabited today by micro-organisms descending from this primitive biosphere? if so, where?

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"micro-organisms." Definitions.net. STANDS4 LLC, 2024. Web. 2 May 2024. <https://www.definitions.net/definition/micro-organisms>.

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