PhysOrg Posted October 2, 2012 Share Posted October 2, 2012 A plant that is unremarkable in one environment becomes an invasive species in another, pushing through house foundations and sprouting up through roads. A house sparrow that's a perfectly charming resident of the English countryside is transported around the world, where it wipes out other bird species with aggressive behavior and harbored diseases. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
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