marine ecosystems
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Uploaded by SuperAmazingStuff on Jan 6, 2010
http://en.wikipedia.org/wiki/Fish http://en.wikipedia.org/wiki/Oceans A fish is any aquatic vertebrate animal that is covered with scales, and equipped with two sets of paired fins and several unpaired fins. Most fish are ectothermic (or cold-blooded). Fish are abundant in most bodies of water. Fish are found in high mountain streams (e.g., char and gudgeon) and in the deepest ocean depths (e.g., gulpers and anglerfish).
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1st comment ya....
TMLFTW10 1 year ago