Video Questions – Mt St Helens

Video: Mt. St. Helens

https://youtu.be/KlbnLnHSRzE

  1. Why are biologists interested in visiting Mt. St. Helens after the eruption?

 

 

  1. What did the scientists do in order to monitor the volcano after they realized there was potential activity in its crater? What did they learn from doing this?

 

 

 

  1. How did the bacteria in Spirit Lake make life impossible there? Why was the discovery of phytoplankton in the lake so important?

 

 

 

  1. Why was the volcanic activity in 2005 (lava spines) different than that of the 1980 explosive eruption?

 

 

 

  1. What is the take home message from the decades of ecological work on Mt. St. Helens?

 

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