You are presented with the question "What are a major food source to organisms including humans?" and the following answer choices: 
- leeches
 - earthworms
 - snails
 - plants
 - tapeworms
 - trees
 - potatoes
 - bushes

Now knowing that mollusks are a major food source for other organisms, including humans and mollusks in the diorama include snails and clams, choose the best answer.


 

   snails      