Park employees and concession employees live within the park.
Yes, only if you work for the park service or already have lived there before it was officially a park.
American Indian tribes 11000 years ago
elk, jackolope, moose, and bugs.
Yes, they are a big reason why Yellowstone was established. The last few hundred bison living in the lower 48 states lived there. Bison that have been reintroduced elsewhere in the US have ancestors...
People affect Yellowstone national park by leaving litter, ripping up the dirt road tracks and scaring off the wildlife.