Kaltura Share to Google Classroom The ACE Basin National Wildlife Refuge is part of the federal system of refuges managed by the U.S. Fish and Wildlife Service. Grades: 3 4 5 6 7 8 9 10 11 12 Subjects: ScienceLife ScienceEnvironments & Habitats Collection: ETV StreamlineSCRudy Mancke Collection Series: Nature Notes with Rudy Mancke