The answer is, How fast distant galaxies are moving away from us
The prairie would become overpopulated and there would be no more food for the rabbits and they would eventually die.
During the carbon cycle, animals and plants add carbon dioxide to the atmosphere through cellular respiration, and plants remove carbon dioxide through photosynthesis. The burning of fossil fuels releases more carbon dioxide into the atmosphere, contributing to global warming.
What are your problems in bio?
Yes. Lions are predators to grass eating species, so without the limitation of said species, there would be less chance for grass to grow as it is eaten more because the prey species are not killed off.