There have been five major extinction events throughout the history of the earth. Some scientists claim that we are now living during the sixth…

There have been five major extinction events throughout the history of the earth.  Some scientists claim that we are now living during the sixth extinction event caused primarily by human activity.  Journalist Elizabeth Kolbert recently wrote a book called the “Six Extinction” that details some of the evidence. Refer to Readings and Resources for an article about her.

Do you agree or disagree with this claim? In your discussion, give an example of one organism that is currently endangered or has gone extinct in the past 20 years.

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