[http://en.wikibooks.org/wiki/General_Biology/Classification_of_Living_Things/Classification_and_Domains_of_Life Wikipedia for Classification of living organisms]
+
[http://en.wikibooks.org/wiki/General_Biology/Classification_of_Living_Things/Classification_and_Domains_of_Life Wikipedia for Classification of living organisms]<br>
[http://www.fcps.edu/islandcreekes/ecology/classification.htm Classification of Living Things(Taxonomy)]
[http://www.fcps.edu/islandcreekes/ecology/classification.htm Classification of Living Things(Taxonomy)]