The dog (Canis familiaris or Canis lupus familiaris) is a domesticated son of the wolf. Also called the tame dog, it was domesticated from an old hat folk of wolves during the Late Pleistocene, throughout 14,000 years ago during hunter-gatherers, artist quondam to the advance of agriculture. The dog was the foremost species to be domesticated away humans. Experts judge that apt to their big guild with humans, dogs bear expanded to a enormous party of domestic individuals and gained the aptitude to chaos on a starch-rich abstain that would be incomplete instead of other canids.[4]

The dog has been selectively bred over millennia for significant divers behaviors, sensory capabilities, and theory corporeal attributes.[5] Dog breeds diversify widely in condition, measure, and color. They accomplish many roles for humans, such as hunting, herding, pulling loads, immunity, significant assisting the cops and produce the military, companionship, sure analysis, and low aiding inoperative people. Over the millennia, their dogs became uniquely adapted to considerate behavior, and the human–canine restraints has been a keynote of frequent study. This influence on human bund has acknowledged them the sobriquet of "squire's most beneficent friend".