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Introduced species and biodiversity
 
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How do introduced species cause problems for biodiversity? What makes a species invasive? When humans introduce non-native species to a new environment, it can have disastrous impacts on native species and the entire ecosystem. For more biodiversity tutorials, visit http://bit.ly/cas-khan.
Tunicate 6
 
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Underwater tunicate collection in Charleston, OR Credit: Aaron Macomber
Views: 114 ORseagrant
Tunicate or Jelly that "flashes"
 
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Espanola Island. Was just below surface - about 2 inches high
Views: 19 Rob Lichtefeld

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