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The dog (Canis familiaris or Canis lupus familiaris) is a domesticated heir of the wolf. Also called the tame dog, it was domesticated from an extinct folk of wolves during the Late Pleistocene, over 14,000 years ago sooner than hunter-gatherers, whilom before to the advance of agriculture. The dog was the beforehand involve species to be domesticated via humans. Experts judge that unpaid to their want linkage with humans, dogs should prefer to expanded to a enormous party of servant individuals and gained the aptitude to fructify on a starch-rich subsistence that would be incomplete instead of other canids.[4]

The dog has been selectively bred in excess of millennia for different behaviors, sensory capabilities, others and medico attributes.[5] Dog breeds remodel generally in shape, measure, and color. They bring off uncountable roles for humans, such as hunting, herding, pulling loads, safe keeping, assisting police officers and the military, company, treatment, and aiding damaged people. Upon the millennia, others dogs became uniquely adapted to benevolent behavior, news and the sensitive–canine bond has been a text of constant study. This favour on forgiving bund has fact them the sobriquet of "gink's best friend".