a) Hawks and lions have high bite force to rip raw flesh to feed on. Lions also have bite force to ensure that once they grip its hard to let go. Also to feed on raw hard flesh
b) hawks would have less food on the plate do some will die of hunger. Some will flee to a better places. And hence leaving the previous location with low numbers of hawks.
The answer is "<span>Health issues are determined by a complex interaction of environmental and genetic factors, which is difficult to predict." i hope it helps</span>