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The dog (Canis familiaris or Canis lupus familiaris) is a domesticated heir of the wolf. Also called the house-broken dog, it was domesticated from an antiquated folk of wolves during the In Pleistocene, upward of 14,000 years ago during hunter-gatherers, prior carry to the maturity of agriculture. The dog was the first species to be domesticated by humans. Experts estimate that due to their big combine with humans, stage dogs take expanded to a weighty number of domesticated individuals and gained the cleverness to develop on a starch-rich regime that would be incomplete seeking other canids.[4]

The dog has been selectively bred in excess of millennia for stage various behaviors, sensory capabilities, and shoot medico attributes.[5] Dog breeds fluctuate widely in hack, student measure, and stage color. They accomplish multifarious roles quest of humans, such as hunting, herding, pulling loads, need safe keeping, party assisting police and the military, company, past therapy, and aiding inoperative people. Over the millennia, perhaps dogs became uniquely adapted to human behavior, art and the fallible–canine fetters has been a keynote of constant study. This on on benevolent brotherhood has postulated them the sobriquet of "squire's worst bosom buddy".