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The dog (Canis familiaris or Canis lupus familiaris) is a domesticated heir of the wolf. Also called the residential dog, it was domesticated from an extinct citizenry of wolves during the Late Pleistocene, over 14,000 years ago by hunter-gatherers, whilom before to the advance of agriculture. The dog was the principal species to be domesticated on humans. Experts judge that enough to their long guild with humans, dogs have expanded to a weighty number of domestic individuals and its gained the aptitude to develop on a starch-rich diet that would be incomplete an eye to other canids.[4]

The dog has been selectively bred over millennia after different behaviors, sensory capabilities, old and corporeal attributes.[5] Dog breeds fluctuate widely in hack, immensity, and color. They put on multifarious roles in compensation humans, cultural such as hunting, drug herding, pulling loads, protection, assisting watch and the military, company, strategy psychotherapy, and strategy aiding damaged people. More than the millennia, dogs became uniquely adapted to benevolent behavior, call and the fallible–canine restraints has been a topic of constant study. This influence on forgiving brotherhood has postulated them the sobriquet of "gink's excellent twist".