Egg crossword

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Across
  1. 2. The hard outer covering of an egg.
  2. 3. A newly emerged young bird from an egg.
  3. 5. The yellow part inside an egg.
  4. 6. A structure that holds the yolk in place.
  5. 8. The egg white substance.
  6. 10. The process of keeping eggs warm.
Down
  1. 1. The union of sperm and egg.
  2. 4. The place where birds lay eggs.
  3. 7. Release of an egg from an ovary.
  4. 9. Developing organism inside the egg.