You are presented with the question "How can pollution from garbage affect cave animals?" and the following answer choices: 
- increase populations
 - reduce populations
 - attract predators
 - Pesticides
 - Make them lose their sight
 - Plant growth is reduced
 - organisms and their habitat
 - cause their death

Now knowing that harming an animal species causes that animal 's population to decrease and pollution from garbage can harm cave animals, choose the best answer.


 

  reduce populations       