Question:

Above is a food chain for Yellowstone Park before the wolves were removed. What changes would you expect when wolves were removed from the park?

An in Elk population and a in tree/shrub populations.

Increase   decrease

Explanation :

I think that the Elks population grew since there isn't any more predator to eat them. So the aspen trees population would drop since there would be more Elks to eat them.

option a and d is the correct answer

i hope this u

plz mark as the brainliest answer

your answer is going to be physical weathering