Hair is a fiber that is found only in mammals, and hair has turned auburn red. Given these facts, what is a fiber found only in mammals among the following options:
- Something that can be auburn
 - They have thick fur
 - Something that is self-aware
 - with their fur
 - To keep their body heat.
 - it helps plants in growing
 - it keeps an organism warm
 - Something that comes in a bundle of fibers


 

 Something that can be auburn        