since the dawn of civilization their have been many attempts to classify living organism.it was done instinctively not using criteria that were scientific but borne out of a need to use organism for our use for food, shelter and clothing.Aristotle was the earliest to attempt more scientific basis for classification.He used simple morphological characters to classify plants in to trees,shrubs and herbs.He also divided animals in to two groups, those which had red blood and those that it did not. In Linnaeus time a TWO KINGDOM System of classification with PLANTAE and ANIMALIA kingdom was developed that included all plants and animals respectively.This wsas used till very recently.This system did not distinguish between the eukaryotes and prokaryotes, unicellular and multicellular organism and photosynthetic and non photosynthetic organism.Classification of organism into plants and animals was easily done to understand, inspite, a large number of the organism did not fall to either ca...
Cricket live guide.....
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