Employability skills are generally divided into three skill sets: (a) basic academic skills, (b) critical thinking skills and (c) personal qualities. The three skill sets are typically broken down into more detailed skill sets.
In the past Archaea were classified as an unusual group of bacteria and named archaebacteria, but since the Archaea have an independent evolutionary history and manifest numerous differences in their biochemistry from other forms of life, they are now classified as a separate domain in the three-domain system.
Taxonomy is the branch of biology that's job is to name and classify species. On the broadest spectrum of classification of all living things, you have three overarching groups called Domains: Bacteria Domain, Archaea Domain, and Eukaraya Domain. Bacteria and Archaea Domains consist of prokaryotes, that is organisms with prokaryotic cells.