The dog (Canis familiaris or Canis lupus familiaris) is a domesticated descendant of the wolf. Also called the house-broken dog, it was domesticated from an old hat population of wolves during the Past due Pleistocene, upward of 14,000 years ago on hunter-gatherers, someone whilom before to the phenomenon of agriculture. The dog was the foremost species to be domesticated via humans. Experts judge that due to their big guild with humans, dogs have expanded to a enormous number of domestic individuals and gained the capacity to develop on a starch-rich abstain that would be incomplete seeking other canids.[4]

The dog has been selectively bred beyond millennia after divers behaviors, sensory capabilities, and physical attributes.[5] Dog breeds diversify greatly in hack, measure, and color. They bring off uncountable roles in behalf of humans, such as hunting, herding, position pulling loads, protection, assisting watch and the military, amity, analysis, and iris-tech.co.kr aiding incapacitated people. Over the millennia, dogs became uniquely adapted to kind-hearted behavior, and computer the human–canine pact has been a topic of constant study. This influence on philanthropist the public has postulated them the sobriquet of "squire's best twist".