Harming an animal species causes that animal 's population to decrease, and regular overfishing can decline an animal population to the point of extinction. Given these facts, what can result in extinction among the following options:
- Harming an animal species
 - scattered light
 - exposure to cold
 - Ignoring an animal species
 - deforestation
 - Helping an animal species
 - DNA damage and mutations
 - Growing food for animals


 

 Harming an animal species        