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Lesson 3: Ecosystems and Change


Students gain a deeper understanding of the process of change for an urban ecosystem in this lesson, including the aspect of time, what processes drive this change, and the ways in which scientists study change over time. The idea of sustainability is introduced in this lesson, and students are given the opportunity to learn about the sustainable practices of their own city, and to compare the sustainability of their field study site to the sustainability of their city as a whole.