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.

This map shows how climate change might affect precipitation patterns in the great plains of the united states by the end of this century. brown shoes a decrease in percipitation, and blue shows an increase. the maps differ based on the predictive levels of green house emissions. the maps shows that northern area should get a. more pracipations regardless of emmissions b. less pracipation, regardless of emmissions levels c. more precipitation, but only when emission levels.southern areas show a. more pracipations regardless of emmissions b. less pracipation, regardless of emmissions levels c. more precipitation, but only when emission levels.to use these maps to prepare for natural disasters in the great plains, scientist need to ask? a. how many tons of emissions were used at the basis of the map.b. which types of fossil fuels are used in the great plains c. if you think the above is wrong it's probly c the question is cut off