You are presented with the question "Adult sperm are capable of producing sperm and what in order to be able to reproduce?" and the following answer choices: 
- Plants growth
 - reproduce
 - skin cells
 - female gametes
 - it needs them
 - kinetic energy
 - estrogen
 - vaginas

Now knowing that adult sponges produce eggs and sperm and female gametes are called eggs, choose the best answer.


 

    female gametes     