Biodiversity and Extinction, Then and Now
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Provided by: Khan Academy|Published on: April 27, 2021
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9101112AP
This resource has been reviewed by SubjectToClimate's climate scientists and verified for scientific accuracy and up-to-date information. Learn about our review process →
Synopsis
- This video discusses extinction, how we measure extinction in the fossil record, what caused the other five mass extinction events, and the current rate of extinction.
- The content can be applied to a number of science courses and has standards identified for AP Biology.

Subjects: Biology, Earth and Space Sciences
Authors: Khan Academy
Region: Global
Languages: English
Teaching Materials
Positives
- This video helps students visualize and understand speciation, extinction, causes for mass extinction events, and what might happen in our future.
- The animations are terrific.
Additional Prerequisites
- Students should be familiar with the terms species, population, natural selection, and evolution.
- Teachers and students must sign into their Google Classroom to record the interactive quiz score.
Differentiation
- This video could be used as homework or an in-class activity to supplement a lecture.
- Connections could be made with social studies classes when discussing ethics, the rights of other species to exist, and the rights of natural ecosystems that support all life on Earth.
- Other resources to explore with students include this PBS video on the sixth mass extinction, this video on biodiversity and humans, this TED talk on the sixth mass extinction, and this online course called The Anthropocene.
- There are a number of other videos and resources related to this topic on Khan Academy.
Scientist Notes
Teaching Tips
Standards
Resource Type and Format
Scientist Reviewed
This resource has been reviewed by SubjectToClimate's climate scientists and verified for scientific accuracy and up-to-date information. Our review process ensures that every resource in our library reflects the current state of climate science.
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