Yellowstone national park was founded in 1872 a Pepper 3500 mi.² of wilderness and contains in any unusual geological features. This park is home to large populations of mammals, including bison and out for years. The elk population grew rapidly until the reintroduction of wolves in the park in 1995 which sentence from the comparison, describes it and interaction.
The sentence that describes the interaction in the comparison is: "The elk population grew rapidly until the reintroduction of wolves in the park in 1995."
The sentence that describes the interaction between the elk population and the reintroduction of wolves in Yellowstone National Park is:
"The elk population grew rapidly until the reintroduction of wolves in the park in 1995."