Quote:
Originally Posted by Jay Pan ROKK
OK, i got that a living being may not change at all, or gradually change so they can to survive.
So, a dog becomes a different dog, again different and so on for thousand generations ... but, a moment comes where it is not a dog anymore and becomes something else.
This last change (from a dog perspective) is sudden and radical since it changes the basic dog format, is not that so ?
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the point where a dog isn't a dog any more is pretty much subjective. it all has to do with differences in physiological attributes along with DNA. scientists still have trouble agreeing on the boundaries of what defines a species.