The graphs illustrate elk and aspen numbers over several decades in Yellowstone National Park.They show major human management actions (removal and return of wolves; hunting of elk).Given this information, describe how biotic factors affected the community structure of Yellowstone National Park during this century.List each biotic factor and its effect.

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The Answer of The graphs illustrate elk and aspen numbers over several decades in Yellowstone National Park.They show major human management actions (removal and return of wolves; hunting of elk).Given this information, describe how biotic factors affected the community structure of Yellowstone National Park during this century.List each biotic factor and its effect.

The Graphs Illustrate Elk and Aspen Numbers Over Several Decades