You are presented with the question "What living thing has collected and grown fungus as a source of food for thousands of years?" and the following answer choices: 
- humans
 - grocery stores
 - honeybees
 - animals
 - pigs
 - fungi
 - trees
 - plants

Now knowing that humans have collected and grown mushrooms for food for thousands of years and yeast and mushrooms are types of fungus, choose the best answer.


 

 humans        