what sometimes lives on the surface of their host?
lungs an organism's body human barnacles fleas and ticks density sensory neurons bacteria
A B C D E F G H
Fleas and ticks are parasites.
some fleas and ticks live on the surface of their host
what sometimes lives on the surface of their host? (A) lungs (B) an organism's body (C) human (D) barnacles (E) fleas and ticks (F) density (G) sensory neurons (H) bacteria