You are presented with the question "What have humans collected and grown for thousands of years?" and the following answer choices: 
- Organic compounds
 - types of coral
 - types of ferns
 - bioaerosols
 - Most plants
 - types of fungus
 - types of pine trees
 - peachleaf willow

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.


 

      types of fungus   