usfan
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- May 28, 2013
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- #21
1. It is the central difference between macro/micro, or vertical vs horizontal changes. Micro, or horizontal changes is merely variability within the life form. That is observable science. But the ASSUMPTION that since things can change WITHIN their genetic parameters means they can jump into more complex parameters is NOT science. It is not even possible, according to the modern science of genetics. Macro evolution was fine as a 19th century theory of origins, but it is a bit out of date. Yet, the zealous defenders hold to it with more passion than any religious proselytizer.What is 'micro evolution' versus 'macro evolution' other than larger gradual changes?
Dogs evolved from Wolves- man may or may not have had a hand in that evolution- but man is very involved in the current evolution of dogs. But the evolution of dogs from Wolves happened within the time frame of homo sapiens.
2. There is a lot of variability within the dog breeds, which includes the wolf. The wolf is not necessarily the parent species, but is merely another 'breed' of dog, that was naturally bred in the wild, like the jackal, the dingo, & many other dogs. But not dog has 'evolved' into a horse, or added any variability to become a distinctly different animal. Dogs can breed with each other, even when their sizes are dissimilar. I am unfamiliar with any breeds that are reproductively isolated, but there could be some. But again, all that shows is 'devolution' as less & less genetic material becomes available.