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

Fact 2: Generally, reptiles are thought of as being land dwelling animals with scales.

Given the two facts above, answer the question "Reptiles have what for protection?" with the following options: 
- shells
 - cartilage
 - the skin
 - hair
 - fur
 - scales
 - keratin
 - beaks


 

      scales   