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Ages: 11 - 18
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TED Ed--Symbiosis: A Surprising Tale of Species Cooperation
From YouTube, produced by youtube
Different species often depend on one another. David Gonzales describes the remarkable relationship of the Clark's nutcracker and the whitebark pine, to illustrate the interdependency known as symbiosis. (2:23)
Found by porter1526 in Symbiosis
March 22, 2012 at 11:08 PM
Not Right For WatchKnowLearn
Ages: 7 - 13
2188 Views:
National Geographic-Fish Symbiosis-Cleaner Gobies & Groupers
From NationalGeographicVideo, produced by National Geographic
In this video students will get to watch how tiger groupers and cleaner gobies work together. Cleaner gobies vacuum up parasites and dead tissues. The  grouper gets cleaned and the gobies get fed. This is a great resource for elementary/middle school... [more]
Found by porter1526 in Groupers
February 6, 2011 at 12:05 PM
Not Right For WatchKnowLearn
Ages: 10 - 15
3038 Views:
Driving around New York City - 1928
From YouTube
Light silent movie showing a car passenger in New York City in 1928, a horse bus carriage ride through the city as well as a City bus chasing a policeman in authentic news reels.  Great for getting an idea of what a big city looked like in the 1920s.
July 12, 2009 at 03:28 PM
Not Right For WatchKnowLearn
Ages: 18 - 18
2965 Views:
Power Teaching and Classroom Management
From teachertube.com, produced by Chris Biffle
This video is a great way to help with classroom management....and engagement! Can be used with any grade level. It works - I've done it!   key words: power teaching, classroom management, engagement, active listening, Chris Biffle (7:34)
February 17, 2012 at 09:26 PM
Not Right For WatchKnowLearn
Ages: 8 - 18
3789 Views:
Red-Tailed Hawk vs. Rattler
From NationalGeographicVideo, produced by National Geographic
You'd have to be one tough and hungry animal to try to make a meal out of a venomous western diamondback rattlesnake.  After all, this North American desert dweller is one of the most dangerous snakes in the world. This video uses professional video ... [more]
Found by jammin0 in Food Chains
April 7, 2009 at 03:02 PM
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