what came first the chicken or the egg?

Question: what came first the chicken or the egg?
- Keywords:
  animal,
  chicken,
  egg,
  first
Asked by hannahpattinson127 to Steve on 22 Jun 2011.
- Steven Daly answered on 22 Jun 2011:
  
  The egg, which was layed by something that was not quite a chicken. That is how evolution works, gradually the chicken would have evolved away from whatever it was before because it had different needs to survive.

Question: what came first the chicken or the egg?