You are presented with the quiz "Which part of fungi have humans collected and grown for food for thousands of years?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "humans have collected and grown mushrooms for food for thousands of years" and "about mushrooms Mushrooms are the fruiting structure of fungi". 

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


 

        fruiting structure   