10/5 Natural Disruptions
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Last updated 7 months ago
6 questions
Note from the author:
You will use this paper and the interactive at https://media.hhmi.org/biointeractive/click/extinctions/
You will use this paper and the interactive at https://media.hhmi.org/biointeractive/click/extinctions/
1
What are the names of the mass extinctions on the horizontal axis of the interactive? How long did each period that preceded the extinction last in years?
What are the names of the mass extinctions on the horizontal axis of the interactive? How long did each period that preceded the extinction last in years?
1
What is on the vertical axis? (include the unit)
What is on the vertical axis? (include the unit)
1
What appears to be one criterion that scientists use when defining the timing of geologic periods?
What appears to be one criterion that scientists use when defining the timing of geologic periods?
1
Is the line on the interactive graph ever flat? Does it ever reach zero? Explain.
Is the line on the interactive graph ever flat? Does it ever reach zero? Explain.
1
Click the info icon for each of the extinction events. Record the environmental factors and the affected species.
Click the info icon for each of the extinction events. Record the environmental factors and the affected species.
1
What would you want to know to help determine if we are in the beginning of a 6th mass extinction?
What would you want to know to help determine if we are in the beginning of a 6th mass extinction?