Multiple Choice
Which of the following is NOT an agent of nitrogen fixation?
A) Mycorrhizal fungi
B) Cyanobacteria (blue-green algae)
C) Bacteria associated with legume roots
D) Lightning
E) Actinomycete bacteria associated with alder roots
Correct Answer:
Verified
Correct Answer:
Verified
Q8: Fungi and bacteria release nitrogen stored in
Q9: Phosphorus is an important constituent of<br>A) DNA.<br>B)
Q10: In stream ecosystems, nutrient retentiveness is<br>A) not
Q11: The breakdown of organic matter accompanied by
Q12: The major pool of nitrogen in the
Q14: Plants in low nutrient ecosystems tend to<br>A)
Q15: A major perturbation of the carbon cycle
Q16: In aquatic ecosystems, leaves with high lignin
Q17: Streams with higher densities of stream invertebrates
Q18: Vanni and colleagues found a positive correlation