Do chicken eggs have umbilical cards?
No, chicken eggs do not have umbilical cords.
Here's why:
* Development: Chicken embryos develop inside the egg, receiving nourishment from the yolk and oxygen from the air through the porous eggshell. There's no need for a physical connection like an umbilical cord.
* Yolk Sac: The yolk sac, a part of the egg, is connected to the developing chick and provides nutrients. It's absorbed by the chick before hatching.
* Allantois: Another membrane, the allantois, functions like a placenta, storing waste products and exchanging gases.
So, while the chicken embryo has a yolk sac and an allantois, they don't have an umbilical cord in the traditional sense.
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