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the developing embryo is nourished by yolk
Embryos are protected by the physical structures of the reproductive system, such as the uterus in mammals. Embryos are protected by the presence of amniotic fluid or egg membranes that surround and cushion the developing embryo. Embryos are protected by parental care, such as brooding behaviors in birds or the provision of nutrients and a safe environment in mammals.
Embryo is formed in germinal spot of yolk .
There is a embryo in the egg.
When you crack open an egg you will see the yellow part called the yolk. The yolk is surrounded by the clear white substance called albumen. As the embryo develops within the shell, it is protected by the albumen.
fertilized egg,embryo, and fetus
sex
It gives the embryo oxygen it needs to survive in the egg.
When a hen lays a fertilized egg, there is no embryo inside. Embryo's only start to form once they are incubated.
The physical protection of the uterus walls prevents the embryo from being dislodged prematurely. The amniotic sac provides a cushion around the embryo, absorbing shock and protecting it from external injury. The placenta acts as a barrier, filtering out harmful substances and providing essential nutrients and oxygen to the developing embryo.
It is to protect the embryo inside the egg.
An egg.