Analysis of the evolution of living organisms, respectively. If time goes back to the first version of the creature before it evolved into a chicken and reproductive to survival by descendants and the egg's successor later.
By analyzing the evolution of life. If you go back in time before creatures first evolved into a chicken place and fertility for survival, reproduction, and eggs up later.
Analysis of the evolution of life, respectively. If I could turn back time creatures first version before evolved into chicken happens and เจริญพันธุ์เพื่อ survival with reproduction and egg up later.