Fact 1: Adult sponges produce eggs and sperm.

Fact 2: Each ovule usually contains one egg , the female gamete or sex cell.

Given the two facts above, answer the question "Adult sponges produce sperm and what other sex cell?" with the following options: 
- testicles
 - it needs them
 - gastropod shells
 - fertile
 - testosterone
 - zygotes
 - female gametes
 - barnacles


 

       female gametes  