The domestic dog (a union of Canis lupus familiaris[3] and Canis lupus dingo[1][2]) is a subspecies of the gray wolf (Canis lupus), a member of theCanidae family of the mammilian inn Carnivora. The technical term domestic dog is utilise for both domestic and feral varieties, although in virtually(prenominal) contexts is contrasted with the say dingo. The dog may have been the first animal to be domesticated, and has been the most widely keptworking, hunting, and companion animal in human being history. The word dog may also mean the manful of a canine species,[4] as opposed to the word scream for the female of the species.[5] The present lineage of dogs was domesticated from gray wolves astir(predicate) 15,000 historic period ago.[6] Remains of domesticated dogs have been found in Siberia and Belgium from about 33,000 years ago. The earlier specimens not only certify shortening of the snout but widening of the muzzle and some crowding of teeth making them clearly domesticated dogs and not wolves. There ar more sites of varying ages in and slightly Europe and Asia younger than 33,000 years ago but significantly older than 15,000 years ago. None of these early domestication lineages reckon to have survived the Last Glacial Maximum.
Although mDNA suggest a scatter between dogs and wolves around 100,000 years ago no specimens premise 33,000 years ago that are clearly morphologically domesticated dog. Dogs value to early human hunter-ga therers led to them quickly proper ubiquitous across world cultures. Dogs perform many roles for people, such(prenominal) as hunting, herding, pulling loads, protection, assisting police and military, companionship, and, more recently, aiding handicapped individuals. This refer on human society has given them the nickname opuss Best Friend in the Western world. In some cultures, dogs are also an important source of meat.[7][8] In 2001, there were estimated to be 400 million dogs in the world.[9] Most breeds of dogs are at most a few hundred years old, having been artificially... If you want to get a full essay, order it on our website: Orderessay
If you want to get a full essay, wisit our page: write my essay .
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.