How are organism in the domains bacteria and archaea similar answer. com?

Bacteria,archaea and eukarya make up the three domains of life. Because of the significant differences were discovered between bacteria and archaea scientists come up with the three-domain system of categorization.

Members of bacteria and archaea still have many similarities. The most significant similarity is that they are both prokaryotes. It means they are single-celled organisms that do not have a nucleus. Archaea and bacteria are both microscopic, which means they cannot be seen without the aid of a microscope. In addition, both archaea and bacteria move by using flagella. Flagella are small structures that the organism uses to throw themselves through their environment.