Because dogs evolved from wolves that followed human camps and ate scraps discarded by humans. Not all wolves followed human camps; therefore, not all wolves were subjected to selective pressure through living near humans. read more
There are still wolves because dogs did not evolve from wolves, they both evolved separately from a common ancestor. read more
Dogs didn't evolve from Wolves wolves evolved from dogs, the dingo. There are still dingos in the world because they were not exposed to an environment where they need to change. Every thing that you are is the direct result of what your ancestors were exposed too. read more
Dogs didn't evolve from wolves, any more than we evolved from chimpanzees. Dogs and wolves (like us and chimps) share a common anscestor. Some of these wolf-like canids were shy and preferred living in tight knit families, away from the threat of humans. These became the wolves we know today. read more