Geographic Alliance, Michigan. "Ecosystems and Biodiversity Lesson 4 : Michigan's Ecosystems - What Have They Done For YOU Lately?". OER Commons. Institute for the Study of Knowledge Management in Education, 11 Dec. 2019. Web. 05 May 2024. <https://goopenmichigan.org/authoring/375-ecosystems-and-biodiversity-lesson-4-michigan-s-ec>.
Geographic Alliance, M. (2019, December 11). Ecosystems and Biodiversity Lesson 4 : Michigan's Ecosystems - What Have They Done For YOU Lately?. OER Commons. Retrieved May 05, 2024, from https://goopenmichigan.org/authoring/375-ecosystems-and-biodiversity-lesson-4-michigan-s-ec.