Use Spanish translate it really helps :)<span />
Answer:
➢ Badlands National Park also preserves the world's greatest fossil beds of animals from the Oligocene Epoch of the Age of Mammals. ... The Badlands are home to the largest mixed grass prairie in the National Park System and is surrounded by the Buffalo Gap National Grassland. Wildlife roams the park's boundaries as well.

There have been 5 Mass Extinctions throughout Earth's history.
Answer: Food increase, Land/ shelter increase, and lower death rate.
Explanation: All of these contribute to the growth of any population.