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If this is so, then why can invasive species wreak havoc in an ecosystem? http://ocean.si.edu/ocean-news/5-invasive-species-you-should-know http://ocean.si.edu

• rosser 10y ago
  Because those species are sinking the extra resources into out-competing the local flora a/o fauna, and successfully displacing them. That's kinda a definitional characteristic of an "invasive species".
• stplsd 10y ago
  How is even related to the points discussed by parent comment?
  • gherkin0 10y ago
    It's related to the parent's points by a misunderstanding.