I'm going AFK in a moment, this is an interesting looking topic, but it seems to be something that should be in the Biological Evolution (though the last paragraph might mean you wish to take this in another direction). Either way, this doesn't seem like a coffee house topic, so I'm moving it to PNT for later consideration.
I did see one topic that covered this,
Message 1 seems to have been set up similarly though probably sufficiently different and long ago to warrant another discussion if you want.