For discussing the functions of different structures of all organisms.
Such a simple question with a simple answer.
There were egg-laying species around long before what we identify as a modern chicken existed. They weren't all birds either...
Therefore... the egg existed long before the chicken.
What did the parasitic Candiru fish say when it finally found a host? - - "Urethra!!"
Well, any egg for sure. But a chicken's egg didn't exist before the chicken existed ! Coz the species evolved out of quite a few cells at first before they became multicellular, and with this came the chicken and after that surely the egg.
Depends on how you define "chicken egg". Does is have to look like chicken egg does now, or is it a chicken egg if the chicken comes out of it, or did chicken had to lay it?
Anyways, I am for the egg: different breeds of chickens have different looking eggs, so however different the first egg to produce chicken looked like I would still call it chicken egg. And anyone that thinks that chicken came first, needs to clarify what is a "chicken", since I am sure 1st one did not look exactly like common variety of today.
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