Two kingdom system of classification is less scientific than 5 kingdom system because it takes into consideration the use of more parameters.
This is the process in which organisms are grouped into broad categories as a result of shared similarities present between them.
The five system of classification ensures that unicellular and multicellular organisms are placed separately. Autotrophs and heterotrophs are also placed in an entirely different category unlike the two system of classification which offers small categories.
This therefore makes the two kingdom system of classification is less scientific than five kingdom system.
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