citations
http://faculty.fmcc.suny.edu/mcdarby/majors101book/Chapter_02-A_Bit_of_History/02-Explaining-Life-Classification.htm
http://quizlet.com/2933448/six-kingdoms-characteristics-jb-flash-cards/
http://hrsbstaff.ednet.ns.ca/sdosman/Biology%2011/eubacteriaandarchaeanswers.htm
http://www.squidoo.com/protists-paramecium-amoebas-algae
http://herbarium.usu.edu/fungi/funfacts/kingfact.htm
http://www.ucmp.berkeley.edu/plants/plantae.html
http://animals.about.com/od/animal-facts/a/animal-characteristics.htm
http://www.thefreedictionary.com/Biological+transport,+active
http://www.britannica.com/EBchecked/topic/197851/excretion
http://news.bbc.co.uk/earth/hi/earth_news/newsid_8604000/8604584.stm
http://www.ehow.com/about_6164122_diet-amphibians.html
http://www.ncagr.gov/cyber/kidswrld/plant/nutrient.htm
http://www.aquatic.uoguelph.ca/amphibians/books/book2/bookframe1.htm
http://animaldiversity.ummz.umich.edu/site/accounts/information/Mammalia.html
http://jenny.tfrec.wsu.edu/opm/displaySpecies.php?pn=-20
http://quizlet.com/2933448/six-kingdoms-characteristics-jb-flash-cards/
http://hrsbstaff.ednet.ns.ca/sdosman/Biology%2011/eubacteriaandarchaeanswers.htm
http://www.squidoo.com/protists-paramecium-amoebas-algae
http://herbarium.usu.edu/fungi/funfacts/kingfact.htm
http://www.ucmp.berkeley.edu/plants/plantae.html
http://animals.about.com/od/animal-facts/a/animal-characteristics.htm
http://www.thefreedictionary.com/Biological+transport,+active
http://www.britannica.com/EBchecked/topic/197851/excretion
http://news.bbc.co.uk/earth/hi/earth_news/newsid_8604000/8604584.stm
http://www.ehow.com/about_6164122_diet-amphibians.html
http://www.ncagr.gov/cyber/kidswrld/plant/nutrient.htm
http://www.aquatic.uoguelph.ca/amphibians/books/book2/bookframe1.htm
http://animaldiversity.ummz.umich.edu/site/accounts/information/Mammalia.html
http://jenny.tfrec.wsu.edu/opm/displaySpecies.php?pn=-20