The chicken egg has a hard shell. When the chick hatches, it will be tired and wet. After a few hours, its feathers will become dry and fluffy. When it becomes an adult chicken, it will lay eggs and the life cycle repeats itself.
Day 1 Day 6 Day 13 The egg is fertilized. The embryo nearly stops growing between laying and incubation. The beak becomes visible. The wing bends at the elbow. The ribs begin to appear. The collar bones fuse to form the wishbone. Fingers of the wings are covered with feathers.