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All our modern breeds of dog are descended from the wolf.

Discover how modern dog breeds evolved from wolves through selective breeding, creating diverse traits and characteristics. Explore the history of bulldogs, mastiffs, and the creation of the bullmastiff. Learn about the labradoodle as a modern example of selective breeding.

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All our modern breeds of dog are descended from the wolf.

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  1. All our modern breeds of dog are descended from the wolf.

  2. Very fast and agile Loyal and intelligent Hard-working with a thick coat Large and strong Small and friendly Courageous, with a very strong jaw So how come they all look and act so differently?

  3. Bulldog Mastiff Gamekeepers in the 1800s had a problem. Poachers were entering their land and stealing their game-birds before the shooting season. Their dogs (mastiffs) were big, strong dogs and great companions but they were not aggressive or fast enough to chase after the poachers. Another breed known to them was the bulldog. This was quick and aggressive but not strong enough to pull the poachers down and hold them until a gamekeeper arrived. What could they do?

  4. Bulldog – Aggressive and quick but small. Mastiff – large and strong but slow and not aggressive. Bullmastiff – Large, quick, strong and aggressive Humans have changed the way dogs look and act by choosing which dogs to breed together. + This is called Selective Breeding Perfect!

  5. This dog is a more modern example of selective breeding. It is a relatively new breed called a labradoodle. What two dogs do you think were bred to make it?

  6. Where did your breed come from?

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