Humans have collected and grown mushrooms for food for thousands of years, and yeast and mushrooms are types of fungus. Given these facts, what have humans collected and grown for thousands of years among the following options:
- Organic compounds
 - types of coral
 - types of ferns
 - bioaerosols
 - Most plants
 - types of fungus
 - types of pine trees
 - peachleaf willow


 

      types of fungus   