Fact 1: Sexual reproduction increases genetic diversity.

Fact 2: Sexual reproduction combines an egg and a sperm.

Given the two facts above, answer the question "what increases genetic diversity?" with the following options: 
- deoxyribonucleic acid
 - Males and females
 - h2o
 - death
 - same sex marriage
 - combining egg and sperm
 - rapid expansion
 - By coral exoskeletons


 

      combining egg and sperm   