You are presented with the question "What helps prokaryotes move?" and the following answer choices: 
- sensory neurons
 - heat energy
 - Feet.
 - Wheels.
 - Hair-like projections.
 - Moving vans.
 - Chemical energy
 - kinetic energy

Now knowing that flagella help prokaryotes move and flagella are hair-like projections from the surface of cells, choose the best answer.


 

     Hair-like projections.    