What Are Archaebacteria?

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Vikash Swaroop Profile
Vikash Swaroop answered
Archaebacteria is considered as the major division of living organism and is a single cell organism. These organisms are known to be found in the extreme environments but many findings have described it as an omnipresent organism.

It was Carl Woese along with George Fox who identified this organism first and separated it from other prokaryotes and also argued that it represented a different branch of living things.

Archaebacteria, on the basis of its habitat can be classified into three groups; halophiles, methanogens and thermophiles. The first group lives in a quite saline environment and the second one as their name suggests produces methane while living in the anaerobic environment. Thermophiles again can be described with their name itself and they live at quite high temperature and is usually found hot springs.
Aun Jafery Profile
Aun Jafery answered
Archabacteria also known as simply Archaea are a major division of classification in living organisms. These are single celled micro organisms that resemble bacteria; they do not have nuclei and are hence known as prokarytes. They form a part of the three domain system that consists of bacteria, arhaea and eukaryota. Unlike bacteria and eukaryota they are a relatively new discovery for man, having been identified thirty years ago in 1977 by George E. Fox and Carl Woese. The unique thing about Archaea is that they seem to thrive in conditions that other living things abhor; in temperatures exceeding a 100°C, in oil wells and petroleum deposits, in regions of extreme cold, in the digestive tracts of humans, ruminants etc.

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