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Wen di and lin xuan


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Wen di and lin xuan

  1. 1. Life Cycle of a Chicken By Wen Di and Lin Xuan of Pri 3.9
  2. 2. Life Cycle of a Chicken <ul><li>The life cycle of a chicken starts as an egg. It takes about 3 weeks to become a chick. It takes about 3 months to become an adult chicken. </li></ul>
  3. 3. Stages in its Life Cycle <ul><li>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. </li></ul>
  4. 4. Hatching Eggs <ul><li>Eggs must incubate for 21 days. Eggs are rotated for the first 18 days, and lay still for the last 3 days. A hole in the shell will be the first sign of hatching. The process may take a day. </li></ul>
  5. 5. Inside a Chicken Egg           shell Germinal disc chalaza Air cell yolk thick albumin
  6. 6. Inside a Chicken Egg <ul><li>Mission #3 </li></ul>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.
  7. 7. From Egg to Chick <ul><li>Mission #4 </li></ul>Day 17 Day 21 The beak turns towards the air cell. Tired and wet –but alive-the chick has hatched.
  8. 8. Hear from the EGGxperts... <ul><li>What have you learnt? What was most interesting? </li></ul><ul><li>What was challenging for you and your partner? </li></ul><ul><li>We have learnt the life cycle of a chicken. </li></ul><ul><li>The most interesting thing was pasting pictures. </li></ul><ul><li>The most challenging thing was thinking of what to write. </li></ul>
  9. 9. Websites Used <ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul>
  10. 10. Thank you!