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.
After an in-depth study of the characteristics of Monera kingdom, it was divided into two groups archaea and bacteria. This classification of living beings was under the three-domain system of taxonomy that was established in 1991. The third domain included the Eukaryote group.