You are presented with the question "What increases biodiversity?" and the following answer choices: 
- Reproduction
 - cross-pollination
 - By coral exoskeletons
 - gene flow
 - Quality of life
 - self-pollination
 - asexual reproduction
 - extinction

Now knowing that cross-pollination increases genetic diversity and biodiversity is basically genetic diversity, choose the best answer.


 

  cross-pollination       