👉R.H. Whittaker (1969) proposed a Five Kingdom Classification. The
kingdoms defined by him were named Monera, Protista, Fungi, Plantae
and Animalia. The main criteria for classification used by him include cell
structure, body organisation, mode of nutrition, reproduction and
phylogenetic relationships. Table 2.1 gives a comparative account of different
characteristics of the five kingdoms.
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👉In the five kingdom classification of Whittaker there is no mention of lichens
and some acellular organisms like viruses, viroids and prions.
👉Whittaker proposed an elaborate five
kingdom classification – Monera, Protista, Fungi, Plantae and Animalia. The main
criteria of the five kingdom classification were cell structure, body organisation,
mode of nutrition and reproduction, and phylogenetic relationships.
