The shell of the egg is made of the same stuff as the inside layer of a tooth.
they both have calicum
birds dont have teeth,they have beaks. but baby birds have an "egg tooth", a tooth on the front of their beaks that helps them get out of their egg, that falls off after they hatch from the egg.
yes, you can use it in the place of a tooth in an experiment, im not sure why, but I do know that the egg shell has many characteristics of the outer layer of a tooth
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 disappears after two weeks of life.
A birds egg tooth can't fall of, because its hard.
the egg tooth it takes 21 days
Baby alligators have one egg tooth when they're born that helps them to get out of the egg
Yes.
Yes. The only tooth that a modern bird could have that I am aware of is an egg tooth that some chicks possess when they are trying to hatch from the egg but the egg tooth falls off soon after hatching.
A snake
Finch? Bird, only tooth is the egg tooth on the end of the beak to break open the egg when it hatches and then it slowly disappears