Pattern: Classification of Organisms
Description: Biological classification is the scientific procedure that involves the arrangement of the organisms in a hierarchical series of groups and sub-groups on the basis of their similarities and dissimilarities. The first man to attempt a scientific basis of classification was Aristotle. Two kingdom system of classification was introduced by Linnaeus . In the year 1866, Ernst Haeckel, classified living organisms into three kingdoms. The four kingdom classification system, proposed by Copeland, included Monera. R.H. Whittaker proposed five kingdom system. In the year 1990, Carl Woese came up with the Six Kingdom Classification System.
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