What classification system did Robert whittaker make?

robert whittaker classified into five groups named :anemalia,plantalia,monera,fungi and protista.

monera:

unicellular organisms without definite nucleus.

protista:

unicellular organisms with definite nucleus & simple multicellular organiama similiar to them

fungi

hetrotrophicunicellular&multi cellular organisms which do not have the power of locomotion.