猫和狗（Cats and dogs）.docVIP

猫和狗（Cats and dogs） We usually give cats a simple classification method, a total of three species, according to the cats living environment, cultivation methods, and by Mao Changduan three points. Cat classification method: according to the living environment can be divided into A cat that is domesticated by humans but does not rely too much on humans and retains the instinct to live independently. Wildcats: the ancestors of the cat family, originally living in the desert, mountain forest and other outdoor environment, the cat appeared in history, as early as twelve million years ago. Cat classification method two: according to breed can be divided into Purebred cat: a species of cat that has been carefully cultivated by generations for a number of years and generations, and strictly controls its breeding procedures to avoid degeneration. These cats are genetically stable, and cats have similar characteristics to their parents and cats, and each cat has pedigree records, including sex, species, body traits, and ancestry. Hybrid cat: a breed that is not controlled by humans and bred on its own. The cats are genetically unstable and often have different hair color in the same litter. Cat classification method three: according to the length of hair can be divided into Cat: such as Maine, Himalaya, the cat cat cat, Persian cat and cat Marley cable etc.. Cat: Siam cat, American Shorthair, Japanese bobtail, Russian Blue Cat, exotic Shorthair, Abyssinian cat and Scotland cat ear collapse etc.. First, dogs are divided into several categories, and standards vary from country to country. Ill use the British standard here. Dogs are divided into working dogs, ornamental dogs, single hounds, hounds, shepherds, and more dogs. Cat classification, currently popular, there are four kinds of division: 1, Western varieties and exotic varieties. A widely used method of origin in the west. 2 purebred cats and hybrid cats. Classification according to breed cultivation angle. 3. Domestic c