Fertilization of an egg happens before it is laid.
Fertilization
a dark egg It is an egg that is alive.
The process of uniting an egg with a sperm is called fertilization. It occurs when a sperm cell penetrates the outer layer of an egg cell and fuses with the egg's nucleus, forming a zygote. This marks the beginning of a new organism's development.
Fertilization.
When sperm fuses with egg it is called fertilization .
Fertilization.
Fertilisation is when the sperm cell and the ova fuse together to form a zygote.
Cross-Fertilization!
fertilization
castration
Fertilization
fertilization