Imagine your barn owl produces 2 owl pellets per day, how much does the owl consume per day?

You do not have enough information to get the consumption. It only tells us the owl pellets. If it's just that information, I can say it consumed 2 "owl food" per day.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.

compost can be added to topsoil as a:

pesticide