How do volcanoes destroy ecosystems?

Read the “Sunset Crater Volcano” article from the National Park Service, and the “Sunset Crater Volcano” article from Arizona Geology.

Based on the articles and your understanding of ecosystems and populations from this course, explain the following:

1. How do volcanoes destroy ecosystems?
2. How do volcanoes rejuvenate ecosystems?
3. What is another geological risk that could have positive and negative impacts? Why?