Fact 1: Gametes then unite in fertilization and form a diploid zygote.

Fact 2: Collectively, the sperm and the ova are also referred to as gametes .

Given the two facts above, answer the question "what unites to form a diploid zygote?" with the following options: 
- plant reproduction
 - Most plants
 - orchids
 - sperm and ova
 - salt and pepper
 - predator and prey
 - honeybees
 - diploids and zygotes


 

    sperm and ova     