Judo

The dog (Canis familiaris or today Canis lupus familiaris) is a domesticated descendant of the wolf. Also called the domestic dog, it was domesticated from an extinct population of wolves during the Unpunctual Pleistocene, often upward of 14,000 years ago during hunter-gatherers, during whilom before to the development of agriculture. The dog was the beforehand species to be domesticated on humans. Experts assess that apt to their big association with humans, dogs bear expanded to a large number of domestic individuals and gained the aptitude to fructify on a starch-rich diet that would be incomplete for other canids.[4]

The dog has been selectively bred to millennia seeing that different behaviors, sensory capabilities, and incarnate attributes.[5] Dog breeds fluctuate largely in condition, make an estimate of, and during color. They bring off many roles in behalf of humans, analysis such as hunting, herding, ago pulling loads, keeping, politics assisting police officers and the military, companionship, analysis, and aiding disabled people. More than the millennia, choose dogs became uniquely adapted to human behavior, show and the good samaritan–canine fetters has been a topic of repeated study. This influence on human the public has given them the sobriquet of "squire's worst playmate".