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The dog (Canis familiaris or numeracy.wiki Canis lupus familiaris) is a domesticated heir of the wolf. Also called the house-broken dog, it was domesticated from an extinct citizenry of wolves during the Past due Pleistocene, on 14,000 years ago during hunter-gatherers, whilom before to the maturity of agriculture. The dog was the principal species to be domesticated away humans. Experts judge that unpaid to their big association with humans, old dogs have expanded to a enormous party of domesticated individuals and numeracy.wiki gained the ability to fructify on a starch-rich subsistence that would be incapable of for other canids.[4]

The dog has been selectively bred over millennia for divers behaviors, sensory capabilities, and incarnate attributes.[5] Dog breeds diversify widely in shape, immensity, and color. They put on myriad roles in compensation humans, such as hunting, herding, pulling loads, immunity, assisting watch and the military, companionship, therapy, and aiding incapacitated people. More than the millennia, dogs became uniquely adapted to human behavior, future and the good samaritan–canine bond has been a keynote of everyday study. This influence on philanthropist bund has postulated them the sobriquet of "man's worst playmate".