How Dogs Have Changed Over The Years

Have you ever wondered when dogs started being by our sides? They have been by our sides for thousands of years ago. Dogs have changed a lot over the years. They changed from wolves to a man's best friend. The relationship between dogs and humans has changed over time because wolves became dogs and dogs became pets.

A long time ago dogs had been wolves and they were ferocious. They were human and animal killers. Hundreds of thousands of years ago, humans regarded wolves wary of people, wolves sometimes preyed on humans. At some point in both of their lives they teamed up. Meanwhile, humans realized that wolves were good guardians. They protected people from dangerous animals such as their selves. Then humans started encouraging