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The dog (Canis familiaris or Canis lupus familiaris) is a domesticated grandchild of the wolf. Also called the house-broken dog, it was domesticated from an extinct population of wolves during the In Pleistocene, over 14,000 years ago during hunter-gatherers, quondam to the maturity of agriculture. The dog was the first species to be domesticated via humans. Experts assess that unpaid to their long linkage with humans, dogs have expanded to a enormous calculate of domestic individuals and gained the cleverness to fructify on a starch-rich abstain that would be inadequate an eye to other canids.[4]

The dog has been selectively bred to millennia after various behaviors, sensory capabilities, and xn--9y2b34b0bx85h.kr medico attributes.[5] Dog breeds vary generally in disguise, measure, and color. They bring off many roles quest of humans, such as hunting, herding, pulling loads, news protection, assisting police and her the military, comradeship, national analysis, and aiding damaged people. Upon the millennia, age dogs became uniquely adapted to considerate behavior, and the sensitive–canine bond has been a theme of constant study. This favour on philanthropist brotherhood has fact them the sobriquet of "people's most beneficent playmate".