Fact 1: Reproduction is the process by which living things give rise to offspring.

Fact 2: Sex equals reproduction.

Given the two facts above, answer the question "What is the process by which living things give rise to offspring?" with the following options: 
- DNA
 - photosynthesis
 - bird
 - sex
 - subtraction
 - gametes
 - eggs
 - ovum


 

    sex     