AS

A2

Nutrient Cycles

A video about the Carbon Cycle.


The nitrogen cycle




This next video is quite possibly the strangest Nitrogen cycle video I've ever seen! Entertaining but not detailed enough - a nice memory assistant maybe?


Click on these links to see the essential roles bacteria and decomposers have in fixing Nitrogen.

http://www.tutorvista.com/biology/animations/nitrogen-cycle-animation

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