Fact 1: Staying warm has a positive impact on an animal 's survival.

Fact 2: Animals who live in the forest have very soft, warm fur.

Given the two facts above, answer the question "What has a positive impact on a forest animal's survival?" with the following options: 
- fire
 - horses
 - hair
 - play
 - fur
 - warm
 - tools
 - rest


 

     fur    