Biomes of the World - Biomes information (science, ecosystems)
http://www.mbgnet.net/
Buzzle - Buzzle is a coral reef website
http://buzzle.com/articles/coral-reefs
Surtsey Volcano - Research the Surtsey Island volcano
http://www.vulkaner.no/v/volcan/surtsey_e.html
Giant Tube Worm - Learn more about how the giant tube worm lives in its environment.
http://www.seasky.org/deep-sea/giant-tube-worm.html