Citations
"Plants of the Arctic and Antarctic — Polar Plants — Beyond Penguins and Polar Bears." Beyond Penguins and Polar Bears Plants of the Arctic and Antarctic Comments. N.p., n.d. Web. 07 Mar. 2014.
"Animals." A to Z Index of. N.p., n.d. Web. 08 Mar. 2014.
Allen, Katy Z. "Human Health." Life Science. Austin: Holt, Rineheart and Winston, 2008. 710-24. Print. Georgia Holt Science & Technology.
Allen, Katy Z. "Protists and Fungi." Life Science. Austin: Holt, Rineheart and Winston, 2008. 269-89. Print. Georgia Holt Science & Technology.