Four are eukaryotes, and two are prokaryotes.
Explanation:
The six-kingdom classification system are given by Carl Woese, he gave this classification in order c to get over the drawbacks of five kingdom classification system .
The six kingdoms are composed of four are eukaryotes, and two are prokaryotes.
The eukaryotes are organism that is consisted of a cell or cells in which the genetic material is contained within a distinct nucleus. Eukaryotes incl
the Plantae
Animalia
Protista
Fungi.
The prokaryote is defined as aunicellular organism that doesn't have a membrane-bound nucleus, or any other membrane-bound organelle. .The prokaryotes includes;
1.) the Eubateria
2.)Archae.