Dog Evolution
Updated: 1/17/2020
Dog Evolution
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  • 30,000 years ago, humans were hungers and gatherers.
  • Some wolves had high levels of stress hormones making them scared to go near humans.
  • Other wolves due to genetic variations had lower stress levels, which allowed them to get more food and make more offspring.
  • Eventually these wolves, evolved into dogs.
  • Because of humans, dog's appearances changed and cuteness became a selected trait.
  • Artificial Selection began to happen and humans chose to breed dogs based on traits they wanted, such as friendliness, hunting, herding, and guarding.
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