what came first the dinosaur or the egg?

Question: what came first the dinosaur or the egg?
- Keywords:
  chicken and egg,
  history,
  philosophy
Asked by amywamy to Angela, Gopal, Hannah, Becky, Vince on 19 Jun 2013.
- Hannah Little answered on 19 Jun 2013:
  
  Haha! Great question! The answer’s still the egg though I’m afraid because amphibians and fish both lay eggs and dinosaurs will have looked something like that before they evolved to have scales!

Question: what came first the dinosaur or the egg?