Q. Who among the following proposed the Five Kingdom Classification?
Answer: R.H. Whittaker
Notes: R.H. Whittaker proposed an elaborated five kingdom classification. He was the first to propose the five-kingdom of organisms taxonomic classification of the world's biota into the Animalia, Plantae, Fungi, Protista, and Monera in 1969. He also proposed the Whittaker Biome Classification, which categorized biome-types upon two abiotic factors: temperature and precipitation.

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