Answer and show work,

D

Explanation:

A is not correct as the lighter mouse are more visible, and are more likely to die. They can't reach reproductive age if dead.

B is not correct because lighter mice cannot be successful in finding food if easy prey for predators.

C is not correct because the question shows the predator being the variable that changed the population of lighter mice, not food.

b is the best answer for this question.

producers: apple trees, potatoes, carrots, grains, acorns, cabbage, grass, corn, lettuce

consumers: deer, mice, rabbits, chickens, squirrels, horses, worms, cows

predators: eagles, frogs, wolves, owls