Which came first hen or egg and why?
What is first a egg or an hen?
How does hen produce egg? How do hens produce eggs? How are chicken eggs fertilized? Which breeds of chickens make the most unusual eggs? Which one is heavier - boiled egg or normal egg? Besides hen, what are the species, of which eggs are consumed by man? Like hen, do they lay sterile eggs, too? What does a hen do with unfertilised eggs? How long does an egg take to develop inside of a chicken before it is laid? How many eggs does a chicken lay in a day? How do chickens produce eggs? Will a chick be born from an egg if you shake the egg after it's laid? How can you tell if it is a baby rooster or a baby hen? How do chickens make their eggs? Why do hens lay eggs, how frequently do they lay them, and why are they not all fertilized? Do egg whites or egg yolks contain the dead chick? What is a chicken? Which is Better: Raw egg or Boiled egg? How many eggs are fertilized each time a hen and rooster copulate? Which weighs more, a normal egg or boiled egg? When does a chicken stop laying eggs? What are scrambled eggs? What would happen if you switched a chicken egg with a crows egg (or any other specie of bird that flies) without the hen noticing? What is the difference between a yellow and an orange egg yolk? Why there is yolk in egg? How chicken is a chicken? Is it called “turkey” or “poultry”? How long does it take to hatch a pigeon's egg? What are the ways to hatch birds egg manually? What is the colour of human egg? What're the differences between cooking eggs certain ways?