You are presented with the question "What increases genetic diversity?" and the following answer choices: 
- By coral exoskeletons
 - Something that waters do
 - Something that planets do
 - fertilization
 - Something that rocks do
 - deoxyribonucleic acid
 - Males and females
 - Somethign that mammals do.

Now knowing that sexual reproduction increases genetic diversity and mammals are dioecious with sexual reproduction and internal fertilization, choose the best answer.


 

        Somethign that mammals do. 