Everyone here seems to be missing the point of the question. The chicken isn’t the key point. It stands in for all egg laying animals. To rephrase the question: how is it possible that an early species was able to develop egg laying abilities, considering the problem of that animal not having been born from an egg?
I suspect the real answer has something to do with fish …
Everyone here seems to be missing the point of the question. The chicken isn’t the key point. It stands in for all egg laying animals. To rephrase the question: how is it possible that an early species was able to develop egg laying abilities, considering the problem of that animal not having been born from an egg? I suspect the real answer has something to do with fish …