Fact 1: Eyes are used for seeing by animals by sensing light.

Fact 2: Wolves use their teeth, feet, eyes, nose, and ears to hunt.

Given the two facts above, answer the question "How do wolves hunt?" with the following options: 
- trees
 - it needs them
 - knives
 - Males and females
 - adding heat
 - guns
 - Sensing light
 - lowered energy cost


 

       Sensing light  