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Biology grade -9 (New Course)

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                                            Biology /Grade  -9 (New Course) Unit -2   (Classification of Organisms) Classification : The process of grouping    of the living being into  various groups and sub groups on the basis of similar and dissimilar characteristics  is called classification . Importance of classification : i)It makes the study of plants and  animals easier ,scientific and systematic . ii)It help the understand the  relation between various group of plants and animals . iv)It gives the ideas about  the evolution of plants and animals . v)It help to  brings uniformity in the    study of living organism  all over the world . Nomenclature : The system of providing scientific name to all the    living organism is called nomenclature . Binomial system of nomenclature : The naming of each organism by two words a generic name and specific name is known as binomial system of nomenclature .For example :scientific name  of human being is Homo sapiens  ,where  Home is the nam