You are presented with the question "What has a positive impact on an animal's survival?" and the following answer choices: 
- peachleaf willow
 - genetic diversity
 - Worse sight
 - four limbs
 - Bad water
 - Lack of food
 - Better sight
 - sensory neurons

Now knowing that better senses have a positive impact on an animal 's survival and perhaps the most important of the senses is sight, choose the best answer.


 

       Better sight  