Presentation Transcript
Slide1: All our modern breeds of dog are descended
from the wolf.
Slide2: So how come they all look and act so differently?
Slide3: 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?
Slide4: Humans have changed the way dogs look and act by choosing which dogs to breed together. This is called
Selective Breeding Perfect! +