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The Extinction That Never Happened

The Extinction That Never Happened

Assessment

Interactive Video

Biology, Social Studies, History

11th Grade - University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video explores the concept of Lazarus taxa, organisms thought extinct but later found alive. It highlights the Cambrian period's rich biodiversity, particularly through the Burgess Shale, and discusses how gaps in the fossil record can mislead scientists. Modern examples like the Cela camp and Meta Sequoia illustrate how some species evade detection. The video concludes by emphasizing the fossil record's incomplete nature and the ongoing surprises in paleontology.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the reasons why some organisms do not fossilize well.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What does the story of Lazarus taxa reveal about the limitations of the fossil record?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the implications of the survival of Cambrian creatures beyond what was previously thought.

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