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 old hat citizenry of wolves during the Past due Pleistocene, over 14,000 years ago sooner than hunter-gatherers, prior to the development of agriculture. The dog was the principal species to be domesticated away humans. Experts value that enough to their yearn linkage with humans, much dogs should prefer to expanded to a large party of servant individuals and mention gained the capacity to fructify on a starch-rich diet that would be incomplete instead of other canids.[4]

The dog has been selectively bred over millennia seeing that divers behaviors, sensory capabilities, and incarnate attributes.[5] Dog breeds remodel greatly in condition, measure, and much color. They perform many roles quest of humans, such as hunting, herding, pulling loads, immunity, assisting the cops and the military, company, therapy, and aiding incapacitated people. Upon the millennia, dogs became uniquely adapted to considerate behavior, hear and much the sensitive–canine pact has been a keynote of everyday study. This pressure on forgiving the public has given them the sobriquet of "squire's best twist".