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Category Videos
Not Right For WatchKnowLearn
Ages: 7 - 11
Population Growth - by StudyJams
From, produced by Scholastic
Limiting factors control the growth of a population in a certain environment.  Those factors can be living, like predators, or non-living, like sunlight and rain.  If these factors change, it can have a big effect on plant and animal populations.  Le... [more]
May 18, 2011 at 07:00 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
Pearl and Hermes Population Assessments
From, produced by WGBH
This video segment adapted from the NOW-RAMP 2002 Expedition follows a team of U.S. Fish and Wildlife researchers as they visit the northwest tip of the Hawaiian Islands to document wildlife populations and help control invasive species. The Pearl an... [more]
September 26, 2010 at 09:42 PM
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Not Right For WatchKnowLearn
Ages: 7 - 12
Teri and Jairus: Biome Buddies
From, produced by PBS
This video segment from ZOOM compares and contrasts some of the more interesting climatic and ecological characteristics of the Death Valley desert with those found in the temperate rainforest of the Pacific Northwest. Closed captioning included.  (0... [more]
September 29, 2010 at 10:00 PM
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Not Right For WatchKnowLearn
Ages: 7 - 11
Biomes - by StudyJams
From, produced by Scholastic
Ecosystems can get really big, and when they do, they are called biomes. The Earth is divided into six major land biomes.  The major difference between is biome is climate.  The biomes are taiga, tundra, deciduous forest, tropical rainforest, desert,... [more]
May 18, 2011 at 06:50 PM
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Not Right For WatchKnowLearn
Ages: 8 - 18
Biomes Interactive Site
From, produced by WGBH
The distribution of plants and animals around the world is anything but random. Instead, it is a result of the interplay of individual environmental tolerances of species and the environmental conditions, especially variations in temperature and prec... [more]
October 12, 2010 at 08:23 PM
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Not Right For WatchKnowLearn
Ages: 8 - 13
Biomes; an Overview
From, produced by Kids Know It
Explore the biomes around the world in this short, computer-animated video. This video will briefly cover the following key concepts: biome similarities and differences, biome boundaries, tundra biome, coniferous forest (Taiga) biome, deciduous fores... [more]
April 10, 2010 at 11:47 PM
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