Invasive Species May Trigger Next Mass Extinction
Photo credit: woodleywonderworks / Creative Commons Throughout the history of the Earth, there have been five great extinction events—periods in which there was a sharp decrease in both the diversity and abundance of life. With estimates indicating that currently one animal species is lost every 20 minutes, some have begun calling the present period the ” sixth great extinction .” The loss of species alone, how… Read the full story on TreeHugger
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Invasive Species May Trigger Next Mass Extinction
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on January 3, 2011. Filed under
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