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

Fact 2: Survival is to live, to live means hope.

Given the two facts above, answer the question "Where so parasites go to survive?" with the following options: 
- in a field
 - away from a host
 - heat produced
 - loose soil
 - in the water
 - on a host
 - Most plants
 - retina


 

      on a host   