Fact 1: Most protists have motility.

Fact 2: Protists Protists are single-celled organisms.

Given the two facts above, answer the question "Most types of what have motility?" with the following options: 
- gastropod shells
 - members of their own species
 - single-celled organisms
 - Something to move
 - remains of prehistoric life
 - microbial fuel cells
 - microorganisms
 - share properties


 

   single-celled organisms      