Anaerobic Organisms (Gr. An - Negative Prefix, Air - Air, Bios - Life)

Anaerobic Organisms

Anaerobic organisms are organisms that are capable of growth or activity only in the absence of molecular oxygen.

The word "anaerobic" comes from the Greek roots "an" - negation, "aer" - air and "bios" - life. That is, anaerobic organisms are those that do not require molecular oxygen from the air to function.

Anaerobic organisms include some bacteria, as well as protozoa. They use other inorganic compounds to produce energy rather than oxygen.

Anaerobic organisms are found in places deprived of oxygen - at the bottom of reservoirs, in the soil, in the intestines of animals and humans. Some of them are pathogenic and can cause disease.

Thus, anaerobic organisms are types of living beings that do not require molecular oxygen for their life and live in oxygen-free conditions.