The chick grows in the albumen (the white of the egg) and feeds off the yolk.
The developing chick feeds on the yolk sac, much like the baby of live bearing animals attaches to the placenta. The chick has enough nutrients when born to got 24 hours without beginning on chick starter.
No egg whites are the protective layer around the egg yolk. It is there to protect the egg yolk and keep it from bouncing around in the Shell. It is also what the baby chick feeds off of while it is growing seeing as its not attached to an umbilical cord.
The developing chick feeds on the yolk sac, much like the baby of live bearing animals attaches to the placenta. The chick has enough nutrients when born to got 24 hours without beginning on chick starter.
It keeps it safe while it develops. The yolk is food for the chick.
The germinal disc. The egg is really just a single cell, until it is fertilized. The blastodisc (white spot on top of the yolk) is what will become part of the fetus when fertilized with sperm. Then the fetus feeds off the yolk to continue developing.
albumin egg white
Nothing, it gets its nutrition from the white and the yolk already in the egg.
You can explain to the child that a food egg, like the ones we eat, comes from a hen and is just an egg that doesn't have a baby chick inside. In contrast, a baby chick egg has a tiny chick developing inside it, which will eventually hatch into a baby chicken if it is kept warm and safe. So, one is for eating, while the other is for growing a new chick!
Chalaza
When a kiwi chick first hatches, it initially feeds on a yolk sac from the egg. This is mostly absorbed after a couple of days. The chick then begins to feed on small invertebrates and insect larvae, fruit, seeds and fungi.
so that the chick can get oxygen while its developing
Yolk is the nutrients that nourish the chick as it develops.