Dog's history
Dog is one of the first animal domesticated by humans, in China,
some people began to domesticate the Zhou Dynasty, dating back at
least 3,000 years. There are a myth story is about: In ancient times,
the dog would like to find a reliable friend, and his live together
forever. It first found the wolf, jackal afraid later found the
wolf, jackal find it can be a coward afraid jackals, dogs also go
to the bear, the result bears terrifying, the dog was recognized
that the ability of people is the largest, they found the people
and become friends. In fact, the dogs belong in the classification
of vertebrate zoology doors MAMMALIA Asia, Carnivora, canine. Points
in this section of animals there are jackals, wolves, fox badger-like
animal and so on, so has also expressed that the ancestors of the
wolf is the dog.
Dogs are carnivores, but in poor families, it also followed the
absolute masters of the masters do not want to leave. When the owner
of danger or under attack, the dogs often come forward to show its
absolute sincerity. For master's castigation and punishment, despite
the tough dogs, but it has never failed to fight back does not also
criticize the mouth. For thousands of years dog is bear with the
situation and understanding. Thus by mankind into a highly powerful
aides who favor partner, to become man's best friend.
Dogs in spite of the shortcomings of one kind or another, but the
dog's strengths and the spirit is worth a lot of people to learn
to nurture.
The life span of dogs in general are more than 10 years, but if
the dogs living environment and living conditions of pay more attention
if the life span of dogs are about 14-15 years, and some can reach
more than 20 years, history has recorded the maximum age is a 34-year-old.
Canine teeth can be used as identification of dogs an important
basis for the age.
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Funny dogs 
