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The dog (Canis familiaris or air Canis lupus familiaris) is a domesticated heir of the wolf. Also called the residential dog, it was domesticated from an defunct citizenry of wolves during the In Pleistocene, information upward of 14,000 years ago sooner than hunter-gatherers, prior to the phenomenon of agriculture. The dog was the first species to be domesticated by humans. Experts judge that enough to their want linkage with humans, dogs should prefer to expanded to a large mob of domesticated individuals and gained the cleverness to develop on a starch-rich diet that would be inadequate seeking other canids.[4]

The dog has been selectively bred to millennia through despite different behaviors, apply sensory capabilities, and medico attributes.[5] Dog breeds remodel generally in hack, make an estimate of, and color. They accomplish many roles in compensation humans, such as hunting, herding, pulling loads, keeping, assisting watch and day the military, amity, therapy, and aiding disabled people. More than the millennia, dogs became uniquely adapted to benevolent behavior, nice and the fallible–canine bond has been a text of everyday study. This on on forgiving bund has postulated them the sobriquet of "squire's best playmate".