Fact 1: Arthropods have a life cycle with sexual reproduction.

Fact 2: Sexual reproduction requires both male and female gametes.

Given the two facts above, answer the question "What do arthropods require to have children?" with the following options: 
- glucose
 - work
 - gametes
 - games
 - fun
 - Energy
 - Energy.
 - food


 

   gametes      