Five kingdom classification was proposed by
(a) Woese
(b) Haeckel
(c) Darwin
(d) Whittaker
(d) Whittaker was most active in the areas of plant community analysis, succession, and productivity. He also first proposed the five-kingdom taxonomic classification of the world'* biota into the Animalia, Plantae, Fungi, Protista, and Monera.
