Fact 1: Better senses have a positive impact on an animal 's survival.

Fact 2: Perhaps the most important of the senses is sight.

Given the two facts above, answer the question "What has a positive impact on an animal's survival?" with the following options: 
- peachleaf willow
 - genetic diversity
 - Worse sight
 - four limbs
 - Bad water
 - Lack of food
 - Better sight
 - sensory neurons


 

       Better sight  