You are presented with the question "what is fertilized to produce a diploid zygote?" and the following answer choices: 
- graptolites
 - members of their own species
 - ova and spermatozoa
 - salt and pepper
 - mitosis
 - peachleaf willow
 - bacteria
 - light energy

Now knowing that fertilization of gametes produces a diploid zygote and examples of gametes are ova and spermatozoa, choose the best answer.


 

   ova and spermatozoa      