germ cells
Ejaculation.
Sperm
The seminal fluid you call "pre sperm" has no living matter, sperm cells will survive for a short while on skin.
Pre-ejaculate.
The union is called fertilization and only one sperm can fertilize an egg.
sperm
That's called 'fertilisation'.
Fertilization
Fertilization.
The union is called fertilization and only one sperm can fertilize an egg.
The union is called fertilization and only one sperm can fertilize an egg.
They call it this because most of the sunflower is flower sperm. The sac holding the sunflower seed is full of the sperm.