You are presented with the question "Where do ticks live?" and the following answer choices: 
- loose soil
 - animals
 - with their fur
 - In the blood
 - Behind teeth
 - On the surface
 - In the mouth
 - an organism's body

Now knowing that some parasites live on the surface of their host and ticks are blood sucking parasites that attach to the skin, choose the best answer.


 

      On the surface   