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"Diprotodontia." Wikipedia. Wikimedia Foundation, n.d. Web. 24 Feb. 2015. <http://en.wikipedia.org/wiki/Diprotodontia>.
"Actinopterygii." Wikipedia. Wikimedia Foundation, n.d. Web. 24 Feb. 2015. <http://en.wikipedia.org/wiki/Actinopterygii>.
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On my honor, this is my own work, and I have cited all aid I have received.
Mauk, Ben. "How Do Scientists Date Ancient Things?" LiveScience. TechMedia Network, 20 Nov. 2012. Web. 24 Feb. 2015. <http://www.livescience.com/32291-how-do-scientists-date-ancient-things.html>.
"History of Koalas." SaveTheKoala.com. N.p., n.d. Web. <https%3A%2F%2Fwww.savethekoala.com%2Fabout-koalas%2Fhistory-koalas>.
"Koala Evolution." Koala Facts and Information. N.p., n.d. Web. 24 Feb. 2015. <http://www.koalaworlds.com/koala-evolution/>.
"Koala." Wikipedia. Wikimedia Foundation, n.d. Web. 23 Feb. 2015. <http://en.wikipedia.org/wiki/Koala>.
"Kangaroo." Wikipedia. Wikimedia Foundation, n.d. Web. 22 Feb. 2015. <http://en.wikipedia.org/wiki/Kangaroo>.
"Wombat." Wikipedia. Wikimedia Foundation, n.d. Web. 24 Feb. 2015. <http://en.wikipedia.org/wiki/Wombat>.
"Vombatiformes." Wikipedia. Wikimedia Foundation, n.d. Web. 24 Feb. 2015. <http://en.wikipedia.org/wiki/Vombatiformes>.
"Macropodidae." Wikipedia. Wikimedia Foundation, n.d. Web. 24 Feb. 2015. <http://en.wikipedia.org/wiki/Macropodidae>.
"Diprotodontia." Wikipedia. Wikimedia Foundation, n.d. Web. 24 Feb. 2015. <http://en.wikipedia.org/wiki/Diprotodontia>.
"Actinopterygii." Wikipedia. Wikimedia Foundation, n.d. Web. 24 Feb. 2015. <http://en.wikipedia.org/wiki/Actinopterygii>.
"Peramelemorphia." Wikipedia. Wikimedia Foundation, n.d. Web. 24 Feb. 2015. <http://en.wikipedia.org/wiki/Peramelemorphia>.
"Aboriginal Australians." Wikipedia. Wikimedia Foundation, n.d. Web. 24 Feb. 2015. <http://en.wikipedia.org/wiki/Aboriginal_Australians>.
On my honor, this is my own work, and I have cited all aid I have received.