Extremophiles Webquest – March 28, 2012
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Go to http://science.howstuffworks.com/environmental/life/cellular-microscopic/extremophile.htm
1. What is the definition of an “extremophile” and where and when were they first discovered?
2. Scroll down and watch the video about extremophiles that “came from space.” What kinds of extreme conditions did these organisms experience?
Go to http://news.discovery.com/videos/tech-nano-storage.html
3. What kind of material do these extremophiles store?
Go to http://www.nsf.gov/news/special_reports/science_nation/extremophile.jsp
4. What does a “chemolithotroph” survive on?
5. Where are extremophiles older than planet Earth being found?
Go to http://www.nsf.gov/news/special_reports/microbes/index.jsp
6. Where are some of the places these extremophiles are found? List at least 4.
Go to http://science.psu.edu/news-and-events/1997-news/iceworms.htm
7. Why are these organisms named “methane worms?”
8. What does it mean that it lives symbiotically with bacteria?
Go to http://www.nhm.ac.uk/research-curation/research/projects/euk-extreme/
9. Click on halophiles. What is osmotic pressure?
Go to http://www.spaceref.com/news/viewnews.html?id=463
10. According to Dr. Lynn Rothschild, what is “life’s solvent?”
11. What is an “anaerobe?”
Go to http://www.dailygalaxy.com/my_weblog/2007/08/nasa-finds-unkn.html
12. Where were extremophiles found in this article?
13. How did they find them?
Go to http://www.dailygalaxy.com/my_weblog/2007/08/ancient-antarct.html
14. How old were the extremophiles that were “brought back to life?”
Go to http://www.astrobio.net/pressrelease/4632/cyborg-snails-produce-electricity
15. What do the snails in this article produce?
http://www.space.com/15045-mercury-water-ice-messenger-spacecraft.html Where has the Messenger spacecraft possibly found water?
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