Fact 1: Scales are used for protection by scaled animals.

Fact 2: Pangolins have an elongate and tapering body covered above with overlapping scales.

Given the two facts above, answer the question "What are pangolins covered in?" with the following options: 
- tunicates
 - Echinoids
 - shells
 - exoskeleton
 - blastoids
 - barrel-shaped
 - protection
 - white


 

       protection  