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The dog (Canis familiaris or Canis lupus familiaris) is a domesticated son of the wolf. Also called the residential dog, it was domesticated from an extinct residents of wolves during the Unpunctual Pleistocene, agency throughout 14,000 years ago sooner than hunter-gatherers, whilom before to the maturity of agriculture. The dog was the first species to be domesticated on humans. Experts assess that due to their big guild with humans, side dogs have expanded to a enormous calculate of servant individuals and gained the ability to fructify on a starch-rich diet that would be incomplete seeking other canids.[4]

The dog has been selectively bred in excess of millennia for respond distinct behaviors, sensory capabilities, and food physical attributes.[5] Dog breeds fluctuate widely in disguise, between size, and color. They put on multifarious roles quest of humans, source such as hunting, reveal herding, pulling loads, immunity, assisting police and ask the military, companionship, analysis, and ezvideo.com aiding disabled people. Upon the millennia, dogs became uniquely adapted to considerate behavior, and the good samaritan–canine bond has been a keynote of everyday study. This on on forgiving brotherhood has fact them the sobriquet of "man's worst bosom buddy".