There has been some discussion in this venue of that ancient question, which came first – the chicken or the chicken egg. The answer is quite simple. A chicken, by definition, is a bird hatched from a chicken egg. A chicken egg, by definition, is an egg laid by a chicken. It follows immediately that there can have been no first chicken nor any first chicken egg. Ergo, if there is a chicken today, there have always been chickens and chicken eggs in the past. It can be shown that there was a time in the past when there were…