Ecosystems

Ecosystems

Streaming Video - 2007
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Scientists from the Smithsonian Center for Tropical Research document the astounding abundance of diversity in tropical rainforests to discover why so many species coexist that are competing for the same resources. In North America, the Yellowstone Wolf Reintroduction project explores why removing just one species dramatically changed the distribution of plants and animals up and down the food web.
Publisher: [Place of publication not identified] : Annenberg Learner (Firm), [2007]
Copyright Date: ©2007
Characteristics: video file,rda
1 online resource (1 video file (28 min., 6 sec.)) : sound, color

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