I'm a seventh garder and i need hel on my taxony project in the year 2525..I don't know how to create a taxonomic scheme

Check these pictures and explanations.

http://www.google.com/images?hl=en&wrapid=tlif12936515511561&q=taxonomic+scheme&um=1&ie=UTF-8&source=univ&ei=XJsbTamKH5SinQfcy73qDQ&sa=X&oi=image_result_group&ct=title&resnum=1&ved=0CCsQsAQwAA&biw=771&bih=381