It helps it to get out of the egg when it is hatching. It is not a tooth in the proper sense and in most cases it is lost after hatching.
the egg tooth it takes 21 days
The egg tooth disappears after two weeks of life.
Hatching is the process in which baby birds (called chicks) come out of the egg they are born in. The chicks have an egg tooth that they use to break out of the egg. Once the chick has broken the eggshell, its egg tooth will fall off. I hope this helps!
Once the chick is fully grown inside the egg, it starts to chip a little hole in the shell with a special 'tooth' on its beak, over the course of a few hours it enlarges the hole until it is big enough to escape or 'hatch'
At the tip of a chicks beak is a small sharp bump called the egg tooth. The chick uses this "tooth" to put pressure in the shell from the inside making a small hole for air and then a series of cracks. This process can take 24 hours or more. The chick comes out of the shell with this egg tooth intact but it soon is absorbed as the beak grows and the chick get older.
Egg incubation helps chicks get out of their shells. Or for the people who have this question as a math problem, the answer is THE EGG SIT (the exit).
a raw unhatched egg
The egg tooth is the structure that develops on the upper mandible, near the tip of the beak, in a chick before it hatches.The neck muscles push the egg tooth against the shell to crack it open.
A female chick is called a pullet
i think an embryo
a small calcum deposit on the chicks beak to help break through the egg when they hatch.
Baby alligators have one egg tooth when they're born that helps them to get out of the egg