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Following the Trail of Evidence

In this activity, students identify and explain the evidence presented in the short film The Day the Mesozoic Died that led to the discovery that an asteroid struck Earth about 66 million years ago, causing a mass extinction.

Evolution
Science Practices
Lessons
High School — General
High School — AP/IB
Weighing the Evidence for a Mass Extinction: In the Ocean

This activity supports concepts covered in the short filmThe Day the Mesozoic Died by replicating observations and measurements made by researchers of fossilized protists, called foraminifera (or forams), below and above the K-T boundary.

Evolution
Science Practices
Card Activities
High School — General
High School — AP/IB
College