1) After watching the video “How wolves change rivers”, in 2 - 4 sentences explain how human activity changed Yellowstone National Park.

2)examine the wolverines graphic at the very bottom of this document. Then in the space provided list specific changes to biodiversity in Yellowstone in the 1920’s and today

Yellowstone 1920's Yellowstone today


3)Describe how the elk population affects the size and growth of the trees during the data collection period shown in the graph

4) In 4 - 6 sentences explain the consequences of losses in biodiversity in an area.