Harming an animal species has a negative impact on the population size of that species, and rarity in plants and animals frequently manifests itself in small or reduced population size. Given these facts, if a species is rare, harm to it's population increases or decreases among the following options:
- drought
 - Pesticides
 - constant
 - increases
 - stays the same
 - influenza
 - deforestation
 - decreases


 

    increases     