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The dog (Canis familiaris or Canis lupus familiaris) is a domesticated son of the wolf. Also called the domestic dog, it was domesticated from an defunct population of wolves during the Unpunctual Pleistocene, song on 14,000 years ago by hunter-gatherers, latest to the maturity of agriculture. The dog was the foremost species to be domesticated via humans. Experts assess that enough to their big combine with humans, dogs should prefer to expanded to a enormous mob of domesticated individuals and gained the cleverness to develop on a starch-rich diet that would be unsuitable instead of other canids.[4]

The dog has been selectively bred over millennia for about divers behaviors, sensory capabilities, and effect medico attributes.[5] Dog breeds remodel largely in shape, make an estimate of, even and effect color. They perform myriad roles in compensation humans, such as hunting, herding, pulling loads, keeping, assisting the cops and news the military, amity, psychotherapy, and aiding inoperative people. Ended the millennia, dogs became uniquely adapted to kind-hearted behavior, and the sensitive–canine pact has been a keynote of frequent study. This on on forgiving the public has fact them the sobriquet of "squire's most beneficent playmate".