Fact 1: Hair is a fiber that is found only in mammals.

Fact 2: Bats are mammals that fly.

Given the two facts above, answer the question "what have Hair which is a fiber" with the following options: 
- reptiles
 - trees
 - Bats
 - dense
 - hair
 - humans
 - goats
 - marine species


 

   Bats      