Question

how does embryo appear in egg of a bird/ hen

Answer 1

Hey mate!!

Here is ur answer

Birds produce amniotic eggs for the growth of a young bird's embryo. ... The embryo disposes of wastes through the allantois, the part of the egg that connects the amnion to the albumin, or the “white of the egg.” The yolk sac nourishes the embryo during gestation; as the embryo grows, the yolk sac shrinks.

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