The Archaea form the third domain of life alongside the other two domains, the Bacteria and Eukarya. Most cultivated autotrophic archaea live under conditions resembling the conditions of early life ...

Autotrophic carbon fixation by microorganisms underpins the entry of inorganic carbon into the biosphere, driving essential biogeochemical cycles from deep ocean trenches to soil horizons and ...

All living organisms need energy to perform various life processes and the source of energy for all living organisms is food. It is available from different sources. There are two types of modes of ...