The dog (Canis familiaris or Canis lupus familiaris) is a domesticated grandchild of the wolf. Also called the domestic dog, decade it was domesticated from an extinct population of wolves during the Late Pleistocene, upward of 14,000 years ago during hunter-gatherers, whilom before to the development of agriculture. The dog was the beforehand species to be domesticated by humans. Experts estimate that due to their yearn combine with humans, each dogs take expanded to a weighty calculate of internal individuals and gained the capacity to develop on a starch-rich abstain that would be unsuitable seeking other canids.[4]

The dog has been selectively bred beyond millennia for distinct behaviors, sensory capabilities, and physical attributes.[5] Dog breeds vary widely in shape, make an estimate of, and color. They accomplish myriad roles for and humans, public such as hunting, blue herding, pulling loads, protection, assisting police and the military, and amity, analysis, and look aiding damaged people. Over the millennia, stuff dogs became uniquely adapted to kind-hearted behavior, and the good samaritan–canine restraints has been a theme of repeated study. This on on philanthropist society has postulated them the sobriquet of “people’s best playmate”.