Answer:

Fertilization

Explanation:

Once released, egg and sperm alike are destined to die within minutes or hours unless they find each other and fuse in the process of fertilization. Through fertilization, the egg and sperm are saved: the egg is activated to begin its developmental program, and the haploid nuclei of the two gametes come together to form the genome of a new diploid organism.

Answer:

A. Fertilization

Explanation:

Fertization is the process where the egg cell and a sperm cell unite.