Works Cited "Classification of Mammals." ENCHANTED LEARNING HOME PAGE. 19 Apr. 2009 <http://www.enchantedlearning.com/subjects/mammals/classification/index.shtml>. It gave me a list of the different subclasses and orders under the class of mammals. "Hedgehog, Hedgehog Profile, Facts, Information, Photos, Pictures, Sounds, Habitats, Reports, News - National Geographic." Animals - Facts, Information, Photos, Pictures, Sounds, Habitats, Reports, News - National Geographic. 19 Apr. 2009 <http://animals.nationalgeographic.com/animals/mammals/hedgehog.html>. It gave me some general information about hedehogs, and a few unique facts about them. "Mammal -- Britannica Online Encyclopedia." Encyclopedia - Britannica Online Encyclopedia. 19 Apr. 2009 <http://www.britannica.com/EBchecked/topic/360838/mammal>. It provided information on the various structures of mammals (hair, mammary gland...). "The Organization of Living Things: Kingdom, Phylum, Class, Order, Family, Genus, Species Kangaroos Play Cellos, Orangutans Fiddle, Gorillas Sing." Tigerhomes.org Live Animal Webcams, White Tiger Cams, Lemur and Lion Webcams. 19 Apr. 2009 <http://www.tigerhomes.org/animal/curriculums/lemurs-4.cfm>. The site gave me the organizational details of taxonomy, and how the levels are related (class is a subsect of phylum).