Inside a Chicken Egg Shell Germinal disc Chalaza Air cell Yolk Thick albumin
Inside a Chicken Egg Day 1 Day 6 Day 13 What is happening? -Egg is fertilized. -The zygote divides and begins to grow. What is happening? -The beak and ribs begin to appear. -The wing bends at the elbow. What is happening? -The left and right collar bones fuse to form the wishbone.
From Egg to Chick Day 17 Day 21 What is happening? -The beak turns towards the air cell. -Exhausted, wet, alive-the chick has hatched!
From Egg to Chick A chick hatches from an egg in 21 days.