The Chicken or the Egg

• They both appeared simultaneously
• The egg
• The chicken (correct)
• The chicken, according to a scientific theory

• The chicken, as per historical texts
• The egg, as per genetic studies (correct)
• The chicken, as per evolutionary evidence
• The egg, as per fossil records

• The process of evolution (correct)
• The relationship between animals and their offspring
• The development of poultry farming
• The origin of life on Earth