Curated OER
Urban Ecosystems 2: Why are There Cities? A Historical Perspective
Second in a series of five lessons, this lesson encourages preteens to consider cities as urban ecosystems. First, they keep a food diary for a few days. They visit the Natrional Agricultural Statistics Service website for current data...
Desert Discoveries
Keepers of the Prairie
Young ecologists examine the case of the prairie dog, and their near extinction. They read a terrific student handout embedded in the plan, and engage in a class discussion that's based on what they read. Learners perform research on...