You are presented with the question "What is used for finding food by some animals?" and the following answer choices: 
- metal detectors
 - telekinesis
 - olfaction
 - Earthworms
 - cooking
 - mussels
 - bamboo
 - heat energy

Now knowing that smell is used for finding food by some animals and olfaction is the sense of smell, choose the best answer.


 

   olfaction      