The fertilized egg develops after it's laid. The developing embryo grows inside the egg until it's grown enough to hatch out. The egg contains a tiny air-sac to allow the baby duck to take a breath while it fights to break the shell. The babies are alive inside the egg.
born alive only birds lay eggs
live birth
They give birth to live baby elephants, as they are mammals.
They.... have..... live..... birth......
hyenas are born in live birth not eggs.
Lay eggs, (of course! they're birds) Swans have their babies by laying eggs. Birds do not give live birth like mammals do.
Penguins lay eggs, they do not give birth to live young.
Either - it depends on the species. Some lay eggs and some give birth to live young.
Jaguars do not lay eggs. They are viviparous, meaning mammals that give birth to live young. Oviparous animals are those that lay eggs.
No sheep give birth to live young which are called lambs.
Yes, raccoons give live birth. They do not lay eggs.
No, guinea pigs are mammals and give live birth.