the egg sac keeps the egg safe and pervides and it food for the egg
Egg sacs for sharks are called well, egg sacs. However, baby sharks that come OUT of the egg sacs are called pups. Is that what you were trying to ask? If not, I hope I answered your question well enough.
Yes, mammals have yolk sacs. Although they may not be as easily noticeable as the yolk in a chicken egg, it is still there. The yolk contains proteins and fats needed for the embryos further development.
The female wolf spiders carry their egg sacs which are attached to their abdomens. These egg sacs appear blueish in color.
a chicken egg is about 50g :)
On a web
yes because the chicken is inside of the egg.if the chicken wasnt it would be called just an egg
air sacs
the egg because dinos lay eggs
seagull's eggs are about the size of an average chicken egg to 2x the size.
From an evolutionist's point of view, the egg came first. A chicken, by definition, must be born from an egg. The egg does not have to be a chicken's egg however. The egg could be layed by an avian that is very similar to a chicken, but which is not a chicken. A small mutation in the genes produces the chicken offspring, which in turn lays eggs to produce more young.
The Chicken!!!! If it was the Egg who sat on the Egg for it to hatch?? Nobody so... God made the Chicken FIRST!
a chicken? its like the question: what came 1st, an egg or a chicken.