In early times, people could not be certain of getting dinner if they stayed in one place. People had to be resourceful and creative to get enough food.
Hunting was a way of life for most early humans, starting with Homo erectus.
Cro-Magnon people would follow great herds of animals that once travelled across Europe. Some lived in caves; others lived in tents made out of the skins of the animals they caught.
Spilled-grain hypothesis: Neolithic women noticed that new grain plants grew when they accidentally spilled grain seeds. They tried scattering seeds on purpose and it worked!
Moov’en-and-Groov’en Hypothesis: One season, nomads decided to stay at a site. They harvested a crop, and then saw it grow to harvest again. These groups learned how to grow a crop from seed to harvest and then move on.