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Invasive Species

Invasive Species

An invasive species is a type of flora or fauna that, once introduced to an area, grows or spreads rapidly, sometimes to the detriment of the local ecology. Sometimes the species is introduced accidentally, other times it is introduced on purpose. A good example of the negative effects an invasive species can have lies in the Hawaiian Islands.

When white settlers came they brought rats (accidentally) and pigs (purposefully) which consequently wreaked havoc on the Islands ecosystem, especially the native birds. An example of invasive fauna is kudzu, a plant native to Japan, but which had spread invasively across the American South. 

Submitted by SuperGreenMe on Sep 21, 2008