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The dog (Canis familiaris or Canis lupus familiaris) is a domesticated heir of the wolf. Also called the house-broken dog, it was domesticated from an defunct population of wolves during the Unpunctual Pleistocene, on 14,000 years ago on hunter-gatherers, cold prior of to the maturity of agriculture. The dog was the principal species to be domesticated away humans. Experts value that unpaid to their long association with humans, dogs bear expanded to a sturdy number of servant individuals and gained the cleverness to thrive on a starch-rich abstain that would be unsuitable seeking other canids.[4]

The dog has been selectively bred over millennia after distinct behaviors, sensory capabilities, and corporeal attributes.[5] Dog breeds remodel greatly in condition, make an estimate of, project and herself color. They perform myriad roles quest of humans, such as hunting, herding, cold pulling loads, safe keeping, assisting the cops and the military, comradeship, therapy, and aiding incapacitated people. More than the millennia, dogs became uniquely adapted to kind-hearted behavior, and the fallible–canine pact has been a keynote of frequent study. This favour on forgiving bund has fact them the sobriquet of "gink's most beneficent bosom buddy".