Learn all about ecology and the many ecosystems across the United States in this career activity sheet. Designed to be printed as a front-and-back handout and written for upper elementary students, the activity sheet shares some information about several different ecosystems. On the second page, kids learn about ecologists and assess an outdoor location for what types of living and nonliving things are there. Topics: Grasslands, Water, Wilderness, Wildlife, Abiotic, Biotic, Ecologist, Ecology.