Yorkshire Terrier dog

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Generally, the domestic dog may be the oldest domestic animal, because it is meant to be domesticated by a person ten to 15 thousand years ago. The first remains of a domestic canine were discovered in Mesolithic websites in various places. It appears that the initial European breed was quite little and would, in general, be best compared to today’s guy. There is minimal pet species in the global world, within which there will be obvious variations in the exterior and the dogs. Some people associate diversity with various ancestors. Many old authors, on the basis of the diversity of today’s pet breeds, think that your dog was produced by crossing many related species from your dog family. Among them were furthermore the newbie of the idea of evolution Charles Darwin and the Austrian ethologist Konrad Lorenz, who figured the ancestor of the domestic pet has been a wolf and a jackal. Another, even more probable and, more recently, a more and more supported concept scientifically, speaks of the common ancestor of a wolf and a domestic doggy. In accordance with this concept, the existing diversity of canines is supposed to be because of intensive, pretty much planned selection and breeding, and sudden, unpredictable heritable genetic changes – mutations even. The full total result may be the emergence of many different varieties of dogs, whose specimens differ in proportions, head and torso, color, quality and amount of the hair, and in addition in usefulness for various purposes lastly.

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