What would you tell a classmate who claims that food is destroyed when you eat it?

I would say "yes true", when you swolowing your food, your stomach is breaking down all of the pieces that you ate and taking apart all the nutrients that are in your burger or your hot dog or whatever you just ate.

Explanation:

Hope this helps

it is a learned trait

explanation:

segmented body, an exoskeleton made from chitin, and joint appendages.