You are presented with the quiz "Carbon in organic compounds are passed through the food web from what?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "energy is passed up a food chain or web from lower to higher trophic levels" and "energy and carbon in organic compounds passed through food chain to herbivores and carnivores". 

So, what's the best answer to the question?


 

     herbivores to carnivores      