why do humans need to eat many different kind of foods to get their vitamins etc but large animals like cows only need grass to survive?

Question

why do humans need to eat many different kind of foods to get their vitamins etc but large animals like cows only need grass to survive?

In: Biology

Answer 1

I’m not going to try to explain why humans and animals eat different foods because I don’t know enough about it myself.

What I can tell you is that humans *can* survive on extremely limited diets. They just won’t be as healthy as someone who eats different kinds of foods.