Turkeys: Slaughtered at 5 to 6 months young; Natural life span: 2 to 6 years. Ducks/Geese: Slaughtered at 7 to 8 weeks young; Natural life span: domestic ducks: 6 to 8 years; geese from 8 to 15 years.
Since there are virtually no written accounts of this civilization, nearly everything we know about it is from archaeology. The Emergence of Indus Valley Civilization. Early civilization spread around the Indus River, which like the Nile River in. Egypt, would flood and bring water and rich soil. From 3500 to 2600 BC, the Early. Indus (o r Early Harappan) period began in this region.
Civilization first developed in the Indus River valley in present-day Pakistan in the middle of the 3d millennium B.C., more than a thousand years earlier than it did in China. In fact, the civilization of the Indus valley, usually called Harappan after its chief city, rivals Sumer and Egypt as humanity's oldest. But like Sumer and its successor civilizations in the Middle East, Harappan civilization was unable to survive natural catastrophes and nomadic invasions.