You are presented with the question "what are united in fertilization for form a diploid zygote?" and the following answer choices: 
- h2o
 - Veins and arteries.
 - produce offspring
 - Most plants
 - joined
 - ova and spermatozoa
 - glucose and fructose
 - Organic compounds

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


 

      ova and spermatozoa   