D. controlled cell suicide
It’s mitosis hope this helped !
Explanation: Fertilization occurs when the nucleus of both a sperm and an egg fuse to form a diploid cell, known as zygote. The successful fusion of gametes forms a new organism.
Answer:
sir you will only give me 16 points that's not enough
Cilia helps in movement of the organism, it can pass the content (gases like CO2, O2) so they can transport. It can migrate an organism to more sustainable environment
Hope this helps!