Scientists Say: Ectoparasite
This is parasite that lives on — not in — another organism
![](https://www.snexplores.org/wp-content/uploads/2019/11/860-header-Male_human_head_louse.gif)
This is a human head louse. It’s a type of parasite that can live on a person’s scalp.
Giles San Martin/Wikimedia Commons (CC BY-SA 2.0)
This is a human head louse. It’s a type of parasite that can live on a person’s scalp.
Giles San Martin/Wikimedia Commons (CC BY-SA 2.0)