Figure 54.9
-Considering the global nitrogen cycle depicted in Figure 54.9,what is the limiting portion of the cycle for plants?
A)industrial nitrogen fixation
B)nitrogen lost to the atmosphere
C)internal nitrogen cycling in the oceans
D)nitrogen fixation by bacteria

Question

Figure 54.9 
-Considering the global nitrogen cycle depicted in Figure 54.9,what is the limiting portion of the cycle for plants?
A)industrial nitrogen fixation 
B)nitrogen lost to the atmosphere 
C)internal nitrogen cycling in the oceans 
D)nitrogen fixation by bacteria

Quizplus · Accepted Answer

Plants are limited by the availability of usable nitrogen, which can only be obtained through nitrogen fixation by bacteria. The other options either do not directly impact plant growth or do not provide usable nitrogen for plants.

Figure 54.9 -Considering the Global Nitrogen Cycle Depicted in Figure 54.9,what Is