Multiple Choice
Figure 54.9 
-Considering the global nitrogen cycle depicted in the figure above,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
Correct Answer:
Verified
Correct Answer:
Verified
Q3: Which of the following consume other living
Q9: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6548/.jpg" alt=" Figure 53.3 -Which
Q17: Why are changes in the global carbon
Q17: Figure 54.9 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3734/.jpg" alt="Figure 54.9
Q21: Figure 54.10 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3733/.jpg" alt="Figure 54.10
Q23: Figure 54.6 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3733/.jpg" alt="Figure 54.6
Q26: When primary producers expend energy to build
Q36: Figure 54.8 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3734/.jpg" alt="Figure 54.8
Q37: Figure 54.5 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3734/.jpg" alt="Figure 54.5
Q40: Figure 54.6 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3734/.jpg" alt="Figure 54.6