Answer:
I don’t understand...
Explanation:
You didn’t ask a question ummm
I don’t really understand the question but i’m assuming that’s there’s a chemical reaction happening when the bicyclist is eating the food to get energy to bike?
Answer:
A parasitic relationship is one in which one organism, the parasite, live off of another organism, the host, harming it.
Since mice in general, are nocturnal, I think b. is the answer..