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HISTORY OF CLASSIFICATION


                

1. ARISTORTAL, 

              Aristortal is the first one who classify organisms scientifically . He divided organisms as PLANTS and ANIMALS.

Animals were further divided according to the criteria such as, 
                                                                                                 *  Mode of locomotion 
                                                                                                 *  Reproduction
                                                                                                 * Presence and absence of red blood cells


2.EARNEST HAECKEL
                                        He introduce kingdom protista  and Taxam Phylum 


3.ROBERT WHITAKER 
                                          He classify organisms into 5 kingdoms based on 3 criteria 

                                                                1.Cellular organization 
                                                               2. Arrangement of cells                      
                                                               3. Mode of transport 

4. CARLWOUS 
                       After the acceptation of  DARWIN theory on evolution and with the advancement of molecular biology it became apparent that in early stages of evolution     

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