The mountain lion population will decrease.
All food, but fruit is my favorite.
B Nature selection for traits the allow for increased rates of reproduction and survival over traits that don't, is correct.
A is also correct
Personally, I think since all the changes in the world are affecting the natural environment adaptive traits are important so that they can help maximize its reproductive success so its species can survive.
Answer:
speed up the rate of virtually all of the chemical reactions that take place within cells.
