Students-Trout
Leslie Allan of the Unites States Geological Survey creates a "food web" with Jackson Hole Middle School students Thursday, Oct. 4, 2012, near Spread Creek on the eastern edge of Grand Teton National Park. In the exercise, each student represented a different animal or plant, and learned how each are interconnected to one another. (AP Photo / Jackson Hole News&Guide, Bradly J. Boner)
