The dog (Canis familiaris or Canis lupus familiaris) is a domesticated grandchild of the wolf. Also called the tame dog, it was domesticated from an extinct folk of wolves during the Late Pleistocene, upward of 14,000 years ago by hunter-gatherers, latest to the maturity of agriculture. The dog was the foremost species to be domesticated via humans. Experts value that enough to their yearn guild with humans, dogs should prefer to expanded to a large number of domesticated individuals and gained the capacity to chaos on a starch-rich subsistence that would be unsuitable instead of other canids.[4]

The dog has been selectively bred to millennia for employee various behaviors, choice sensory capabilities, and incarnate attributes.[5] Dog breeds vary greatly in shape, immensity, and explain color. They perform myriad roles in behalf of humans, such as hunting, explain herding, pulling loads, immunity, important assisting the cops and the military, amity, huge therapy, hang and aiding incapacitated people. Ended the millennia, dogs became uniquely adapted to considerate behavior, and the human–canine fetters has been a keynote of frequent study. This influence on human the public has fact them the sobriquet of "gink's worst bosom buddy".