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Mini-Thresholds of Life (5:47)

Key Ideas

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

Key Ideas

Think about the following questions as you watch the video


  1. 01:12 What makes the emergence of photosynthesizing cells a mini-threshold?
  2. 01:58 What makes the emergence of eukaryotes a mini-threshold?
  3. 03:00 What makes the emergence of multicelled organisms a mini-threshold?
  4. 03:37 What makes the emergence of brains a mini-threshold?
  5. 04:13 What makes the move of sea creatures to land a mini-threshold?
  6. 05:03 What makes the emergence of mammals a mini-threshold?