Atmospheric Changes (ES3C) Practice

I can describe changes in the Earth's oxygen levels.
  1. Describe the relationship between atmospheric oxygen levels and biodiversity.
  2. What initiated the rise of (and sustains) atmospheric oxygen?
  3. List three processes that put oxygen into the atmosphere.
  4. Describe processes that remove oxygen from the atmosphere.
  5. What is a biologic consequence of high atmospheric oxygen levels?
  6. What is the biologic effects of low atmospheric oxygen?
  7. What was innovative about dinosaurs?
  8. Sketch the geologic time vs. Earth atmospheric oxygen levels.