a baby crocodile squeaks inside its egg calling for its mother.
Crocodilians (baby crocodiles) squeak from inside their eggs to call their mother.
A Justin Bieber Crocodile
A seaHorse
The stored food in an egg consists mostly of protein. This is used for energy as the fetal animal grows inside the egg.
elephants
the animal inside will not hatch
They help protect the egg if there was an animal inside or to protect the egg in danger.
mouse
The yolk of an egg is the yellow portion, which serves as nourishment for the growing baby animal inside.
The animal came first because eggs are a reproductive structure produced by animals.
The egg comes out of the chicken through the same opening where the sperm went in. It's just like any animal giving birth but the baby chicken is inside an egg instead of out in the open.