However while those mentioned above get the most attention most of the Earth's biosphere is cold, and archaea represent a significant fraction of the biomass in those environments with the largest proportion and greatest diversity of archaea existing in cold environments, see Psychrophilic microorganisms. read more
Facts about Archaebacteria 2: the extreme habitat You can find the organisms living in extreme habitat. You can find them living in the deep ocean, black smokers, geysers and oil wells. read more
Archaebacteria have some of the most unusual cell structures of all living microbial organisms. Their cell walls lack peptidoglycan, which makes them unable to perform the important task of breaking down sugars and other substances to give living creatures the fuel and energy they need to survive. read more