Multiple Choice
Nitrogen is made available to plants for their use by the process(es) of ____.
A) ammonification only
B) nitrification only
C) nitrogen fixation only
D) ammonification and nitrification only
E) ammonification, nitrification, and nitrogen fixation
Correct Answer:
Verified
Correct Answer:
Verified
Q20: Which process is performed by bacteria in
Q21: Greenhouse gases include _.<br>A) carbon dioxide, water,
Q22: Why is nitrogen necessary in the human
Q23: What are the specific environmental consequences of
Q24: Answer the question using the accompanying figure.
Q26: High _ concentrations in Lake Erie encouraged
Q27: Which marine ecosystem has the highest mean
Q28: In aquatic ecosystems, CO<sub>2</sub>reacts with water to
Q29: Ecologists use compartment models to describe _.<br>A)
Q30: An available nutrient molecule _.<br>A) exists in