Multiple Choice
When organic phosphorus is added to streams
A) the nutrient spiral removes most of it.
B) it is converted into an inorganic form.
C) retention of phosphorus depends on the age of the surrounding forest.
D) retention of phosphorus requires a disturbance.
E) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
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
Q9: The phosphorus cycle differs from the nitrogen
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
Q15: Why was it important that eukaryotes use