Answer:
The three domain classification of a living organisms has separated and placed bacteria and archaea in two different kingdoms.
Step-by-step explanation:
It is because, despite both being prokaryotes, bacteria, as well as archea, exhibit the following dissimilarities:
- The cell membrane of bacteria has peptidoglycan, whereas it is absent in archaea.
- The histone proteins are present in archaea and absent in bacteria.
- The enzyme RNA polymerase is present in more numbers in archaea than bacteria.