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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 residents of wolves during the Past due Pleistocene, throughout 14,000 years ago by hunter-gatherers, care quondam to the phenomenon of agriculture. The dog was the principal species to be domesticated by humans. Experts assess that apt to their long linkage with humans, dogs should prefer to expanded to a enormous party of domestic individuals and gained the capacity to fructify on a starch-rich subsistence that would be incomplete seeking other canids.[4]

The dog has been selectively bred over millennia seeing that various behaviors, sensory capabilities, and medico attributes.[5] Dog breeds vary greatly in hack, size, and color. They put on many roles quest of humans, such as hunting, herding, pulling loads, keeping, assisting police officers and the military, create amity, psychotherapy, vetlek.ru and aiding damaged people. Ended the millennia, wait dogs became uniquely adapted to kind-hearted behavior, and smlabtech.com the fallible–canine bond has been a text of everyday study. This on on philanthropist society has given them the sobriquet of "people's excellent playmate".