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Classifying Living Things                          organisms in the same kingdom

                                                                  have things in common.  For
               If you like music, you might have
                                                                  example, all plants are autotrophs.
               some CDs, or songs loaded onto an
               mp3 player, and they may not be
               in any particular order.  This fine if
               you don’t have that many CDs or
               songs, but if you get a lot of them,
               you’ll probably need to start
               organizing them, by doing things
               like putting all the CDs by the
               same artist in the same spot, or

               organizing the songs
                                                                  The five kingdoms of life
               alphabetically.

               Organizing things into groups is
               called classification.  If                         Animals in a kingdom are broken

               classification is needed for a                     down into groups based on
               collection of songs, imagine how                   similarities.  Each of these groups
               badly it is needed with organisms.                 is called a phylum.  From here,
                                                                  things get more and more specific,
               There so many kinds of living
                                                                  as you can see below:
               things – many more than there are
               songs on even the biggest music-                   kingdom   phylum   class
               lover’s mp3 player.  So how can                    order   family   genus   species
               they be organized?  Scientists have
                                                                  Each organism has a scientific
               been working on this problem for
                                                                  name, which is created by putting
               several hundred years.  This has
                                                                  together the name of the genus
               led to a detailed system to classify
                                                                  and species.
               organisms.
                                                                  In a scientific name, the genus is
               First, living things are classified
                                                                  capitalized and the species is
               into kingdoms.  Kingdoms are
                                                                  written in lower case.
               things like animals, plants, or
                                                                  Scientific names are always
               funguses.  All in all, there are five
                                                                  underlined or written in italics.
               named kingdoms, although current
                                                                  These names can be very useful
               science indicates that there may
                                                                  when communicating around the
               need to add more kingdoms as are
                                                                  world about a particular organism.
               more organisms are discovered
               and described.  Kingdoms include                   For example, a dog is called perro
               many organisms, but all the                        in Spanish and chien in French.



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