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Algae

Algae

    • Algae Featured Article Algae Algae

      Introduction Algae comprise a diverse group of typically autotrophic organisms, ranging from unicellular to multicellular forms. The largest and most complex marine forms... More »

    • Ocean acidification troubles Featured Article Ocean acidification troubles Ocean acidification troubles

      The seas in which corals and other calcifying species dwell are turning acidic, their pH slowly dropping as Earth's oceans acidify in response to increased carbon dioxide... More »

    • Red tide Featured Article Red tide Red tide

      A "red tide" is a common term used for a harmful algal bloom. Harmful algal blooms, or HABs, occur when colonies of algae — simple ocean plants that live... More »

Recently Updated
Coral reef Last Updated on 2012-10-06 at 16:41 Coral Reefs Coral reef generally refers to a marine ecosystem in which the principal organisms are corals that harbour algal symbionts within their tissues. These... More »
Tropical coral reefs and environmental stress Last Updated on 2012-09-01 at 12:51 Corals that host fewer species of algae appear less sensitive to disturbances. The following article is part ten in a series on the National Science Foundation's Long-Term... More »
What is a lichen? Last Updated on 2012-07-29 at 15:14 Introduction A lichen is a complex life form that is a symbiotic partnership of two separate organisms, a fungus and an alga. The dominant partner is the fungus, which... More »
Marine coralline algae Last Updated on 2011-11-13 at 11:12 Marine coralline algae are calcifying red algae, which have a hard skeleton resulting from the precipitation of calcium carbonate within their cell walls. Coralline algae are... More »
Algae Might Replace Some U.S. Oil Imports Last Updated on 2011-10-13 at 11:12 ?Main Image: A June 2010 photo shows raceway ponds in Southern California was taken by the QuickBird satellite. A PNNL study shows that 17 percent of the United States’... More »
Symbiosis Last Updated on 2011-08-25 at 15:52 Symbiosis describes close and often long-term interactions between two or more different organisms. The definition of symbiosis has been applied to a wide range of biological... More »
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