Question: what is the main characteristics of the six kingdoms?
Answer: Archaebacteria. Archaebacteria are the most recent addition to the kingdoms of organisms. ...  Eubacteria. Eubacteria are also single-celled bacterial organisms. ...  Fungi. The Fungi kingdom is recognizable to us as mushrooms, molds, mildews and yeasts. ...  Protista. ...  Plants. ...  Animals.