Mussels Wipe Out Critical Great Lakes Crustacean

Zebra and Quagga Mussels have been implicated in the crash of populations of a key food source in the Great Lakes.  This invertebrate eats algae, small organism that are also fed on by the Zebra Mussel.  No algae, no Crustaceans.  For more information,

http://dsc.discovery.com/news/2008/05/30/great-lakes-crustacean.html

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