A decrease in tenperature could result in birds relying more on feeders to get food.
In my opinion, the best answer among the choices listed above is option D. The reason why scientists use models because they can <span>represent things that are too small to see. Models are used to describe and explain certain phenomena. Hope this answers the question.</span>
Parasitism is an interaction in while the host is harmed
6CO^2 + 6H2O—->sunlight C6H12O6+6O2