R.H. Whittaker (1969) proposed a Five Kingdom Classification . The kingdoms defined by him were named Monera, Protista, Fungi, Plantae and Animalia.Animalia.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. The three-domain system has also been proposed that divides the Kingdom Monera into ... Biological classification is a dynamic and ever evolving phenomenon which keeps changing with our understanding of life forms. Justify the statement taking any two examples. Biological classification is a scientific system that organizes Earth’s diverse life forms , both living and extinct, into groups based on shared characteristics. This approach allows scientists to identify, name, and categorize organisms, providing a framework for understanding the natural world. Study Material and Notes of Ch 2 Biological Classification Class 11th Biology Topics in the Chapter Systems of Classification Kingdom Monera Kingdom Protista Kingdom Fungi Classes of Fungi Viruses Structure of Virus Diseases caused in humans Viroids Lichens System of Classification • Earliest classification was given by Aristotle.
