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Threshold 7: Agriculture

Threshold 7: Agriculture

When humans began farming, new, more complex ways of living were possible.

Key Ideas

As this video progresses, key ideas will be introduced to invoke discussion.

Think about the following questions as you watch the video


  1. How long ago did the last ice age end?
  2. Why was human population growth after the ice age a problem for human communities?
  3. Why was a warmer, stable climate important to the development of agriculture?
  4. What is domestication?
  5. Why does David Christian call agriculture an energy "bonanza" for humans?