@cobratbq yea, I am not defining pooping as just the expulsion of waste, that happens at every level. I am referring to pooping as the storing of waste in a sack that gets released at some later point. It presumes multicellular and the first evolution of a digestive tract. My guess is the first real poop was little more than a sack where cellular waste was collected so some water or other resource can be reclaimed before ejection.
Haha, I try :)
@freemo you have a nice neutral way of expressing. This topic can be made "colorful" in so many ways.