Fact 1: Sperm had to swim from male to female reproductive organs for fertilization.

Fact 2: And the word for woman means a female of any age.

Given the two facts above, answer the question "What happens when sperm swim from men's to women's reproductive organs?" with the following options: 
- by indirect light
 - matter vibrating
 - death
 - competition
 - fertile crescent
 - fertilizer
 - permineralization
 - fertilization


 

        fertilization 