Therearesomanylivingthingsandtheyaresodiverseinstructureandbehaviourthatinordertostudythembiologistshavedevelopedclassification(grouping)systems.

　　Scientistsalsoclassifylivingthingsasitallowsthemtostudysimilarfeaturesandtocompareoneorganismwithanother.

　　Scientistsclassifylivingthingssothattheycanstudythedifferentkindswithoutconfusion.Therearebasicdifferencesintheconstructionofeverydifferentkindoflivingthings.Scientistsliketoexaminethosedifferencestolearnmoreabouttheextremecomplexityfoundinthem

　　Iftheyhavelotsoflivingthingstothinkabout,itletsthemputtheminsomesortoforder.

　　Iftheymeetalivingthingtheyhavenevermetbefore,ithelpsthemunderstandwhatthatnewspecieslike.

　　Scientistscanworkouthowcloselyrelatedtwospeciesare.Iftwospecieslookverysimilar,theyareprobablycloselyrelatedtoeachother.

　　Itmakesiteasierforthemtotellotherscientistsaboutaparticularspecies.

　　Classificationmeansorganisingthingsintogroupsthatsharethesamesortsoffeatures.Sciencehasdevelopedaclassificationsystembecausethismakesiteasiertoidentify,describeandrememberthings.