Fact 1: Most protists have motility.

Fact 2: Motility is lost if the specimen dries.

Given the two facts above, answer the question "What would prevent a protist from moving?" with the following options: 
- If it's eating
 - layers of fat
 - Gravity
 - Greenhouse gases
 - Chemical energy
 - If it's alive
 - If it's wet
 - If it's dry


 

        If it's dry 