|
There are 10 videos in this category and 0 videos in 0 subcategories.
Category Videos
|
|
Not Right For WatchKnowLearn
Ages: 10 - 18
1017 Views:
|
While the tourist industry has hurt biodiversity in much of the Caribbean, Cuba's relative isolation has left its wildlife untouched. Now, Cuba is a safe haven for rare and intriguing indigenous animals, migrating birds and marine creatures. But as t...he prospect of the US trade embargo being lifted looms, a surge in tourism is predicted. What will happen to Cuba's ecological riches in the process? (49:54)
[more]
February 6, 2011 at 08:50 PM
|
|
|
Not Right For WatchKnowLearn
Ages: 13 - 18
224 Views:
|
In the world of ecology, the only constant is change - but change can be good. Today Hank explains ecological succession and how ecological communities change over time to become beautiful, bio-diverse mosaics. (10:02)
.
December 11, 2012 at 06:33 PM
|
|
|
Not Right For WatchKnowLearn
Ages: 12 - 18
158 Views:
|
Hank gives the run down on the top five ways humans are negatively impacting the environment and having detrimental effects on the valuable ecosystem services which a healthy biosphere provides. (10:38)
January 7, 2013 at 08:32 PM
|
|
|
Not Right For WatchKnowLearn
Ages: 3 - 10
658 Views:
|
Shown this way back in standerd grade geography, classic!
June 29, 2012 at 06:21 PM
|
|
|
Not Right For WatchKnowLearn
Ages: 11 - 18
246 Views:
|
Dr. Bob Ballard believes that our planet is in crisis and the solution resides in the oceans. This clip would be a great classroom 'starter' for discussions concerning our planet.(02:58)
September 16, 2012 at 07:46 AM
|
|
|
Not Right For WatchKnowLearn
Ages: 10 - 18
1173 Views:
|
Discusses the continuous natural cyce of raw materials, such as, water, oxygen, carbon dioxide, and nitrogen. The video briefly reviews the water cycle, oxygen/carbon cycle, photosynthesis, food chains, and the nitrogen cycle. Run time 02:52.
November 26, 2010 at 12:13 AM
|
|
|
Not Right For WatchKnowLearn
Ages: 12 - 18
158 Views:
|
With a solid understanding of biology on the small scale under our belts, it's time for the long view. (13:37)
December 17, 2012 at 08:41 PM
|
|
|
Not Right For WatchKnowLearn
Ages: 13 - 18
401 Views:
|
Paul Andersen describes the process of ecological succession. During
this process life reestablished itself after a disturbance. During primary success all of the material is removed including the soil. For example during a volcanic eruption all tr...aces of life are removed. However during secondary success the soil remains intact. An example of
secondary success is wildfires. (06:20)
[more]
September 12, 2012 at 02:23 PM
|
|
|
Not Right For WatchKnowLearn
Ages: 9 - 15
1304 Views:
|
Thanks to Apollo 11's photographs of Earth from space, ecology was fundamentally changed in the 1960's. A book about DDT was also published in the late 1960's. This video begins by giving a brief history on the changes that have occured in the area o...f ecology. The video then goes on the address the levels of organization: organism, population, community, ecosystem, biome, and biosphere. Other key vocabulary words in this video include: biotic, abiotic, climate, aquatic biomes, estuary, terrestrial biomes, and chapparel. Run time 09:57.
[more]
November 22, 2010 at 02:27 PM
|
|
|
Not Right For WatchKnowLearn
Ages: 9 - 18
1010 Views:
|
Without a national power grid, some isolated communities in Afghanistan rely on wind and solar systems to generate affordable energy in this four minute video. This video is best used to show how nature can supply energy in the most remote of areas. ...A good way to introduce problem solving questions related to energy and to remove the idea that developing nations can't use technology.
[more]
September 4, 2010 at 10:58 PM
|
|