Respuesta :
					                   One of the main reasons why there is a need to create additional three kingdoms was due to the invention of the microscope. The scientific device paved way for a more intensive study of the tiny organisms most considered as single-celled which cannot be seen by the naked eye. 
					                
					                
					             
					                   The main reason if for there to be extra kingdoms. It help sort the organisms for classifying in a separate group. Hope this helps!!
					                
					                
					              
					                  