Almost all animals begin as an egg and a sperm. There are a few exceptions, though, such as sea sponges. But for the majority, they begin as sperm and egg.
Male sperm
No, a chicken egg is not sperm. An egg is a female reproductive cell that is fertilized by a male sperm cell to form an embryo. In the case of a chicken egg, the yolk and the white are parts of the egg that provide nutrients and protection for the embryo to develop.
If there is no egg present in the oviduct when the sperm arrive, the sperm will typically die off and be naturally cleared from the body. They have a limited lifespan and cannot survive for long periods within the female reproductive system without encountering an egg for fertilization.
provide DNA to an egg to form an offspring
humans
With a sperm cell and a egg cell.
Male sperm
It begins at puberty.
Life begins when the egg cell and sperm cell unite to form the zygote.
sperm cell is the typical sperm of most animals has a head containing the nucleus and acrosome
When an egg was fertilized by a sperm cell.
The very first result of egg and sperm coming together is a zygote. This will begin to divide many, many times to finally form an individual.
Sperm, and Egg
The very first result of egg and sperm coming together is a zygote. This will begin to divide many, many times to finally form an individual.
When a sperm cells unites with an egg, new life begins.
When a sperm cells unites with an egg, new life begins.
Egg and sperm