Fact 1: Some parasites live on the surface of their host.

Fact 2: Ticks are blood sucking parasites that attach to the skin.

Given the two facts above, answer the question "Where do ticks live?" with the following options: 
- loose soil
 - animals
 - with their fur
 - In the blood
 - Behind teeth
 - On the surface
 - In the mouth
 - an organism's body


 

      On the surface   