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HL 3.1 Mass Extinctions: Then and Now

In this activity, we will review what is known about the five major past extinctions and compare this to the 6th mass extinction. This is an exercise in thinking. You need to understand the causes of these extinctions, but also the differences between historic extinctions and what is happening now. The idea is to produce a graphic that illustrates the similarities and differences after doing some further research....

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