In 1977, Woese and Fox proposed the Archaea as a new domain of life and that the tree of life is divided into three branches — the Eukarya, Bacteria and Archaea. Although a three-domain tree was ...

In the late 1970’s, our understanding of the tree of life was fundamentally changed with the discovery and recognition of Archaea, a third domain of life along with Bacteria and Eukarya. While ...

The organism is a type of archaea, one of the three domains of life, along with bacteria and eukaryotes. The eukaryotes are organisms with cells containing a nucleus and include animals and plants.