Studies of nutrient cycles at Hubbard Brook show that
A) nitrogen is continually lost from undisturbed forest.
B) nutrient cycles resist disturbance.
C) disturbance increases stream flow and nutrient loss.
D) disturbance increases the rate of nitrogen cycling.
E) none of the above
Correct Answer:
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Q9: Which of the following is not a
Q10: Which of the following is not a
Q11: Human agriculture is threatened by
A) humus in
Q12: In a nutrient spiral,
A) nutrients are transported
Q13: The two main limiting processes in nutrient
Q15: When organic phosphorus is added to streams
A)
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A) photosynthesis evolved.
B) all
Q17: At the Hubbard Brook Experimental Forest stream
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Q19: Photosynthetic plants are not usually limited by
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