Fact 1: Humans have collected and grown mushrooms for food for thousands of years.

Fact 2: Mushrooms are an example of fungi.

Given the two facts above, answer the question "Humans have collected and grown what for food for thousands of years?" with the following options: 
- plants
 - fungi
 - ferns
 - cheese
 - fungus
 - salmon
 - hamburgers
 - primates


 

  fungi       