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

Fact 2: Sperm and eggs are cells known as gametes.

Given the two facts above, answer the question "What swims to female reproductive organs for fertilization?" with the following options: 
- barnacles
 - alpacas
 - fur seals
 - male gametes
 - A Greek letter
 - eggs
 - birds
 - tadpoles


 

    male gametes     