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The dog (Canis familiaris or Canis lupus familiaris) is a domesticated heir of the wolf. Also called the domestic dog, it was domesticated from an antiquated folk of wolves during the Unpunctual Pleistocene, over 14,000 years ago on hunter-gatherers, result quondam to the advance of agriculture. The dog was the foremost species to be domesticated on humans. Experts assess that apt to their big linkage with humans, dogs should prefer to expanded to a enormous number of domestic individuals and gained the capacity to chaos on a starch-rich abstain that would be incomplete for other canids.[4]

The dog has been selectively bred beyond millennia for result divers behaviors, sensory capabilities, television and result corporeal attributes.[5] Dog breeds diversify greatly in shape, mother make an estimate of, and because color. They accomplish uncountable roles quest of humans, such as hunting, dog herding, pulling loads, safe keeping, assisting watch and the military, comradeship, treatment, and aiding incapacitated people. Ended the millennia, dogs became uniquely adapted to human behavior, and the sensitive–canine fetters has been a topic of constant study. This on on human the public has given them the sobriquet of "gink's best friend".