You are presented with the question "Since when have mushrooms been eaten?" and the following answer choices: 
- Medieval times
 - To keep their body heat.
 - Paleolithic times
 - it keeps an organism warm
 - the body's largest organ
 - The Great Depression
 - important habitats
 - Modern times

Now knowing that humans have collected and grown mushrooms for food for thousands of years and humanity's use of mushrooms extends back to Paleolithic times, choose the best answer.


 

   Paleolithic times      