definition of monera kingdom

The name of Reino Monera is one that applies to unicellular organisms also known as prokaryotes. These organisms are mainly bacteria that are present in all terrestrial space and that are, due to their unicellular structure, microscopic. In contrast to the monera or prokaryotic kingdom we find eukaryotic organisms, those that contain more complex cells and among which we find all the rest of living beings (animals, plants, fungi and protist organisms).

The concept of the monera kingdom is used in biology to designate all organisms and microorganisms that are characterized by their unicellular formation, that is, of a single cell. Although these are much simpler organisms than the rest of the living organisms, their presence is much greater than that of the rest, particularly due to the fact that it is considered that there are between 4000 and 9000 different species of prokaryotes or bacteria, those that make up this group. In addition, being tiny organisms, they reproduce and are found throughout the surface of space known to man, even if they cannot be seen.

Another important element to define those organisms that make up the monera kingdom is the fact that these bacteria or microorganisms do not have, in their cellular structure, a clearly defined nucleus, which confronts them with the rest of the living beings that have a nucleus. well marked in its cellular structure, where the genetic material is stored and covered by a protective membrane. Nor do they have other elements common to the rest of living beings such as mitochondria.

The bacteria that make up the monera kingdom can be aerobic, anaerobic, or microaerophilic. While the former are those that require the presence of oxygen to exist, the latter are those that do not need it (and therefore can be found in vacuum-sealed products). The third, less known, are those that require a minimum amount of oxygen to survive.

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