You are presented with the question "Humans have collected and grown what for food for thousands of years?" and the following answer choices: 
- plants
 - fungi
 - ferns
 - cheese
 - fungus
 - salmon
 - hamburgers
 - primates

Now knowing that humans have collected and grown mushrooms for food for thousands of years and mushrooms are an example of fungi, choose the best answer.


 

  fungi       