NEET BIOLOGY

Detailed explanation-1: -Archaea are microorganisms that define the limits of life on Earth. They were originally discovered and described in extreme environments, such as hydrothermal vents and terrestrial hot springs.

Detailed explanation-2: -The domains Bacteria and Archaea are the ones containing prokaryotic organisms. The Archaea are prokaryotes that inhabit extreme environments, such as inside of volcanoes, while Bacteria are more common organisms, such as E. coli.

Detailed explanation-3: -Many archaea have been found living in extreme environments, for example at high pressures, salt concentrations or temperatures. These types of organisms are called extremophiles.

Detailed explanation-4: -Archaebacteria: Kingdom of extremist bacteria found in domain Archaea-cells without a nucleus that are ancient bacteria. They are named archaea which means “ancient things” because they often live in conditions that resemble earth 3.5 billion years ago.