Multiple Choice
The phosphorus cycle differs from the nitrogen cycle in that
A) the phosphorus cycle has a short residence time.
B) there is no limiting step in the phosphorus cycle.
C) there is a large sedimentary pool of nitrogen.
D) there is a large sedimentary pool of phosphorus.
E) none of the above.
Correct Answer:
Verified
Correct Answer:
Verified
Q4: What are the key similarities and differences
Q5: In the carbon cycle,<br>A) photosynthesis always balances
Q6: N<sub>2</sub> cannot be absorbed by plants.
Q7: What is the effect of spatial scale
Q8: Human agriculture is threatened by<br>A) humus in
Q10: When organic phosphorus is added to streams<br>A)
Q11: The carbon cycle differs from the nitrogen
Q12: The two main limiting processes in nutrient
Q13: During the Cambrian explosion,<br>A) photosynthesis evolved.<br>B) all
Q14: Why is nitrogen fixation the limiting step