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Behaviour of dogs Dogs: Man's Best Friend  They have been selectively bred for thousands   of years for different behaviors, sensory               abilities, and physical characteristics. This has     led to a huge number of dog breeds, each             with their own unique characteristics and            roles in human society. History and domestication  Genetic studies suggest that dogs were first   domesticated from wolves somewhere in Asia.   Early humans probably took in, raised and   domesticated wolf cubs.These early dogs were   probably used for hunting and protection.   Over time, as humans settled into agrarian   societies, dogs were bred for specific tasks           such as herding, guarding livestock, and   companionship. Breeds and variet...