Some other ethnic groups neither developed themselves nor absorbed food production in prehistoric times, but until the modern era, they were hunter-gatherers. Nurse Marvel Superheroes Iron Man Batman Poster. Chapter 6 examines the factors that led to peoples in some areas turning away from hunter-gatherers to food production, but not in many other regions. Chapters 7, 8 and 9 show how prehistoric plants and animals were domesticated from wild plants and wild animals by early farmers and farmers who could not imagine what they were doing. Doing will lead to nothing.