Figure 24.11: The nitrogen cycle includes assimilation, or uptake of nitrogen by plants;
nitrogen-fixing bacteria that make the nitrogen available to plants in the form of nitrates;
decomposers that convert nitrogen in dead organisms into ammonium; nitrifying bacteria
that convert ammonium to nitrates; and denitrifying bacteria that convert help convert
nitrates to gaseous nitrogen. ( 14 )
marvins-underground-k-12
(Marvins-Underground-K-12)
#1