Living Fossils Are Dead! Long Live Living Fossils

Living Fossils Are Dead! Long Live Living Fossils

Assessment

Interactive Video

Science, Geography, Biology

11th Grade - University

Hard

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The video explores the concept of living fossils, initially coined by Darwin, and how it has evolved over time. While some species appear unchanged, genetic studies reveal significant evolutionary changes. The term 'living fossil' is contentious, but efforts are underway to standardize its use, focusing on organisms with ancient lineages. Researchers propose criteria like the Evolutionary Performance Index (EPI) and the concept of Endangered Living Fossils (ELFs) to identify and protect these species. The video highlights the importance of genetic diversity and conservation in understanding evolutionary and geologic history.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

How have scientists' views on living fossils changed over time?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What did Darwin mean by the term "living fossil"?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What advancements in genetic testing have changed our understanding of living fossils?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What criteria did researchers in Spain propose for identifying endangered living fossils (ELFs)?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is the ginkgo considered a potential endangered living fossil?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How do the genetic changes in coelacanths challenge the idea of them being living fossils?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of standardizing the term "living fossil" according to the text?

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