In the four kingdom classification, the unicellular non-nucleated organisms are placed in the kingdom______
Monera
The four kingdom classification was introduced by Copeland in 1966.
It includes:
• Kingdom Monera: It includes unicellular prokaryotes such as bacteria, mycoplasma and cyanobacteria.
• Kingdom Protista: It includes unicellular eukaryotes.
• Kingdom Plantae: It includes multicellular autotrophic eukaryotes.
• Kingdom Animalia: It includes multicellular heterotrophic eukaryotes.