Harming an animal species has a negative impact on the population size of that species, and populations are groups of individuals of the same species. Given these facts, harming an animal species has a what on the size of a group of individuals of that species among the following options:
- Abnormal cell growth
 - uncontrolled
 - net growth
 - positive effect
 - massive damage
 - negative impact
 - non-negative impact
 - major threat to health


 

      negative impact   