The Babylonians created the system of counting by 60. It was based on the Sumerians' system.
Answer:
Humans also deliberately bred dogs to be more adorable. Other pets came later. Sheep and goats were first domesticated roughly 11,000 years ago, while cats became pets around 7000 B.C. with the advent of agriculture. (As people collected and stored grain, it would attract mice, which would then attract cats.)
