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comparing/contrasting mass extinctions

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NGSS Crosscutting Concepts:

NGSS Disciplinary Core Ideas:

Extinction occurs when an entire species dies off. Of all the species that have ever lived on planet Earth, over 99.9 percent of them are now extinct. Most people are familiar with the extinction at the end of the Cretaceous period (end of the Mesozoic era) that ended the reign of the dinosaurs. How does this mass extinction stack up to others in Earth's history? SF Table 7.2 describes mass extinction events on Earth.

Most of the mass extinctions listed in SF Table 7.2 are due to factors related to climate change. Even asteroid or meteor impacts have major implications for world climate because they throw massive amounts of dust into the atmosphere, limiting the penetration of the sun's warming rays.

1. When you compare the extinctions above, which was the most extensive? Which was the least?

2. What, if anything, do the hypothesized causes of the extinctions listed in SF Table 7.2 have in common?

3. It is hypothesized that only one mass extinction has been caused by a single species. Which extinction is this? Which species is implicated?

4. Do you think climate change could have an impact on the species currently living on our planet? Explain the reasoning for your answer.

Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. University of Hawaii, 2011. This document may be freely reproduced and distributed for non-profit educational purposes.

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Deprecated function: Array and string offset access syntax with curly braces is deprecated in include_once() (line 1439 of /webinfo/vhosts/manoa.hawaii.edu/docroot/exploringourfluidearth/includes/bootstrap.inc). NGSS Crosscutting Concepts: NGSS Disciplinary Core Ideas: Extinction occurs when an entire species dies off. Of all the species that have ever lived on planet Earth, over 99.9 percent of them are now extinct.

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climate indicators: subsea methane hydrates

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Climate Indicators Station #1 answers Part A - Sophia

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Climate Indicators Station #1 answers Part A - Sophia

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Geological Change (station #3)- worksheets to go along with it

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Geological Change (station #3)- worksheets to go along with it

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Geological Change (station #3)- answer key

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"when will the next mass extinction occur?"

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When will the next mass extinction occur? - Borths, D'Emic, and Pritchard

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The Daily Mail. (2018, April 13). Volcanic eruptions that could wipe of millions of people are triggered by the retreat of glaciers. Retrieved January 10, 2019, from https://www.dailymail.co.uk/sciencetech/article-5603527/Volcanic-eruptions-wipe-MILLIONS-people-triggered-retreat-glaciers.html

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Astrobiology Magazine. (2011, July 08). How Hot Was the Eocene Earth? Retrieved from https://www.astrobio.net/geology/how-hot-was-the-eocene-earth/

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The first link is to an article on plastiglomerate, which I recommend reading:  https://www.sciencemag.org/news/2014/06/qa-will-fossil-record-preserve-your-computer

Some background knowledge on fossilization would also be useful.  We studied this in class, but if you need a refresher check out:https://australianmuseum.net.au/learn/australia-over-time/fossils/
or read pages 648-650 in the textbook

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summary of methane hydrates: notes

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summary of methane hydrates: powerpoint