What life forms on Earth are close to extinction?

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How Biological Anthropology Works

How Biological Anthropology Works

Biological anthropologists seek to understand the differences within and between human populations. Learn more about biological anthropology.


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  • "Hibiscus insularis." Sydney Botanic Gardens Trust." (May 28, 2010)http://www.rbgsyd.nsw.gov.au/annan/the_garden/blooming_calendar/annan_blooming_template31
  • Nelson, Bryan. "11 Extinct Animals That Have Been Photographed Alive." Ecolocalizer. April 2, 2009. (May 20, 2010)http://ecolocalizer.com/2009/04/02/11-extinct-animals-that-have-been-photographed-alive/
  • "Rare river dolphin 'now extinct.'" BBC News. Aug. 8, 2007. (May 20, 2010)http://news.bbc.co.uk/2/hi/science/nature/6935343.stm
  • "Siberian tiger in severe decline." BBC News. Nov. 25, 2009. (May 20, 2010)http://news.bbc.co.uk/2/hi/science/nature/8379095.stm
  • The IUCNRed List of Threatened Species. (May 20, 2010)http://www.iucnredlist.org/
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