Fertilization of gametes produces a diploid zygote, and examples of gametes are ova and spermatozoa. Given these facts, what is fertilized to produce a diploid zygote among the following options:
- graptolites
 - members of their own species
 - ova and spermatozoa
 - salt and pepper
 - mitosis
 - peachleaf willow
 - bacteria
 - light energy


 

   ova and spermatozoa      