Well, I am not 100% sure but I would go with D.
Both involve gaining a positive effect from a source which becomes harmed.
Example: a predator eats it's prey for food
A parasite like a tape worm feeds off the nutrients in your body and makes the person sick
Vasodilation , when your body is to hot. <span>Blood capillaries dilate and increase their diameter. More blood flows near the body surface. Excess heat in the body is lost through the conduction and radiation to the environment. Your arm hair also rises. </span>
Jayden, you didn’t put the diagram so we can’t help. ｡ﾟ(ﾟ´Д｀ﾟ)ﾟ｡
Explanation:
Plants use carbon dioxide in the atmosphere during photosynthesis, herbivores eat the plants, and a carnivore eats an herbivore.
