You are presented with the question "eyes are used for seeing by animals by sense of what?" and the following answer choices: 
- energy
 - touch
 - photons
 - vision
 - smell
 - power
 - the sun
 - sound

Now knowing that eyes are used for seeing by animals by sensing light and lastly Fire, or light, is perceived through the sense of vision, choose the best answer.


 

    vision     