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

Fact 2: Nocturnal animals' eyes are very light sensitive.

Given the two facts above, answer the question "Nocturnal animals' eyes are very sensitive and used for what?" with the following options: 
- tearing
 - occuring
 - intimidating
 - seeing
 - sleep
 - courtship
 - radiation
 - the sun


 

    seeing     