Aerobic organism
Aerobic Organism
An Aerobic Organism (pronunciation: /eɪˈrəʊbɪk ˈɔːɡənɪzəm/) is a type of organism that can survive and grow in an oxygenated environment.
Etymology
The term "Aerobic" is derived from the Greek words 'aero' meaning air, and 'bios' meaning life. The term "Organism" comes from the Greek word 'organismos', which means a complex structure of interdependent and subordinate elements whose relations and properties are largely determined by their function in the whole.
Definition
Aerobic organisms, or aerobes, use oxygen for cellular respiration and are able to metabolize energy from food in the presence of oxygen. This process is known as aerobic respiration and is used by most of the multicellular organisms, including all plants and animals.
Related Terms
- Anaerobic Organism: An organism that does not require oxygen for growth. It may react negatively or even die if oxygen is present.
- Facultative Anaerobe: An organism that makes ATP by aerobic respiration if oxygen is present, but is capable of switching to anaerobic respiration if oxygen is absent.
- Obligate Aerobe: An organism that requires oxygen to grow. In contrast to facultative anaerobes, obligate aerobes cannot use anaerobic respiration and cannot ferment.
- Microaerophile: An organism that requires oxygen to survive, but also requires the concentrations of oxygen to be lower than that found in the atmosphere.
See Also
External links
- Medical encyclopedia article on Aerobic organism
- Wikipedia's article - Aerobic organism
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