A Deep Time Perspective

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Across
  1. 6. Humans used technological advances in _ and _ to connect to each other. (Include the “and” in your answer)
  2. 8. First appearance datum
  3. 10. Can help produce high yield crops, but act as pollutants, especially in marine ecosystems
  4. 11. What is PETM stand for
Down
  1. 1. Previous/concurrent epoch to the Anthropocene
  2. 2. Where did Scott Wing first study fossils in the field?
  3. 3. What do plants produce less of when there is more CO2 in the atmosphere?
  4. 4. Explain the huge pulse of volcanic activity that changed climate and ocean chemistry so radically that perhaps 90% of common marine animal species went extinct, and diversity took millions of years to recover
  5. 5. Epoch with asteroid impact extinction and ~75% of species lost
  6. 7. Method of documenting past CO2 and temperatures
  7. 9. 56 million year global hothouse