Fact 1: Mollusks are a major food source for other organisms, including humans.

Fact 2: An abalone is a shellfish or mollusk.

Given the two facts above, answer the question "what is a major food source for humans?" with the following options: 
- honeybees
 - poison
 - abalones
 - carbon monoxide
 - rabbit
 - trees
 - insects
 - stomach


 

   abalones      