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Video -- Animals, Travel, Kids -- National Geographic
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video.nationalgeographic.com/video
education
Social Studies
video
biology
animal
ecosystem
shared by
craig shepherd
on 16 Sep 09
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craig shepherd
on 16 Sep 09
Videos from National Geographic on different animals, environments, ecosystems, etc.
Videos from National Geographic on different animals, environments, ecosystems, etc.
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What is Biodiversity? - National Wildlife Federation
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www.nwf.org/...Biodiversity.aspx
shared by
Kathleen Ball
on 02 Oct 12
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Biodiversity is extremely important to people and the health of ecosystems.
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Extinction is a natural part of life on Earth. Over the history of the planet most of the species that ever existed, evolved and then gradually went extinct.
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