The North American Beaver. The topic of this research paper focuses on a species that is closely associated with freshwater ecosystems for a major portion of its lifecycle. This paper looks at the North American Beaver in this context. Scientific and common name(s) as well as details concerning morphology, physiology, geographic distribution, abundance, habitat preferences, characteristics, life history and predator/prey relationships are all addressed. 9 pgs. 21 f/c. 13b. Pages: 9 Bibliography: 13 source(s) listed Filename: 2091 North American Beaver.doc Price: 80.55