Science360
The Effects on Plants and Animals - The Carbon Cycle
How will increased amounts of carbon affect plants and animals?
Visual Learning Systems
Natural Cycles: Nitrogen Cycle
This program addresses many of the cycles conducted by animals including those of migration, hibernation, and patterns relating to day and night. The cycles that affect all living things are discussed including the air we breathe and the...
Journey to the Microcosmos
Getting to the Root of Nitrogen Fixation
James, our master of microscopes, is not a farmer. He is, to put it simply, fascinated by microbes. And that may lead him to strange places and cause him to grow tanks full of weird things. But he is not a farmer.
msvgo
Biological Nitrogen Fixation and Assimilation
It explains symbiotic association and fixation of nitrogen by free nitrogen fixers. It lists examples of bacteria and cynobacteria involved. It also describes events during nodule formation and activity of nitrogenase enzyme.
Encyclopaedia Britannica
Did You Know? In 60 Seconds: Nitrogen Fixation
Learn more about the process of nitrogen fixation.
Mazz Media
Nitrogen Cycle
This live-action video program is about the term nitrogen cycle. The program is designed to reinforce and support a student's comprehension and retention of the term nitrogen cycle through use of video footage, photographs, diagrams and...
Sophia Learning
Sophia: The Role of Plants in the Food Chain: Lesson 1
This lesson explains the role plants play in the conversion of inorganic materials into organic material to support living things. It is 1 of 3 in the series titled "The Role of Plants in the Food Chain."