Geographic Alliance, Michigan. "Ecosystems and Biodiversity Lesson 10 : Michigan's Threatened Species". OER Commons. Institute for the Study of Knowledge Management in Education, 17 Dec. 2019. Web. 17 May 2024. <https://goopenmichigan.org/authoring/378-ecosystems-and-biodiversity-lesson-10-michigan-s-t>.
Geographic Alliance, M. (2019, December 17). Ecosystems and Biodiversity Lesson 10 : Michigan's Threatened Species. OER Commons. Retrieved May 17, 2024, from https://goopenmichigan.org/authoring/378-ecosystems-and-biodiversity-lesson-10-michigan-s-t.