The main criteria used for Five Kingdom Classification proposed by R.H. Whittaker (1969) included : A. Cell structure B. Body organization C. Presence of flagellum D. Reproduction E. Phylogenetic relationships Choose the correct answer from the options given below :

Step-by-step solution

R.H. Whittaker (1969) proposed the Five Kingdom Classification. The main criteria used by him for this classification include: 1. Cell structure (prokaryotic or eukaryotic) 2. Body organisation (unicellular or multicellular) 3. Mode of nutrition (autotrophic or heterotrophic) 4. Reproduction 5. Phylogenetic relationships Presence of flagellum was not used as a main criterion for the Five Kingdom Classification. Therefore, the correct criteria from the given list are A, B, D, and E. Answer: A, B, D and E only