What might occur in moth populations if pollution from industry was cleaned up, and the color of tree bark returned to its natural color?
a. birds would prey on both dark and light color moths equally.
b. dark- and light-colored moths would survive in equal numbers.
c. birds would now see the dark moths easier than the lighter color moths.
d. dark moths would continue to be the predominant phenotype.

C. Birds would now see the dark moths easier than the lighter color moths.

Explanation:

The peppered moth, which is the dark colored moth came to exist as an adaptation on evolution because of the industrial revolution and the increase in polution due to the fabrics, this made it easier for the moths to hide from brids, which prior to this had to hunt white colored moths often against sunlight which made it really hard, so the dark colored were the ones that kept surviving.

if the hares very faster than they are now, and thus the lynx's hunting success rate drops because it will be harder to catch them, the rate that will change will be the pray-rate. the pray-rate will change because more hares will be able to survive, thus more individuals for reproduction, so the end result will be increasing population of hares.

the predator-rate will remain pretty much the same because there will be more than enough pray, but the hunting success rate is stagnant.