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The first animal to make the transition from the wild to the domesticated state was the wolf,
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the relationship between primitive man and animals was that of hunter and prey.
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dogs may also have had cultural significance,
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the deceased were deliberately put out for dogs to consume, it was thought necessary for the dead person's soul to pass through a dog to reach the afterlife.
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Lap dogs were fashionable among the noble ladies,
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Dog breeds spread throughout Europe as different types of hound were developed for chasing different quarry.
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dogs were important for work and for social life
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they learned increased knowledge of biology, allowing animal breeders faster success
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dogs have a number of functional roles, from ornamental to status symbol, as helpers, and as companions
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Guide dogs for blind people and hearing dogs for deaf people are examples of pets who are kept as helpers. most common reason for owning pets is companionship