Multiple Choice
Which of the following is a true statement regarding mineral nutrients in soils and their implication for primary productivity?
A) Globally, phosphorous availability is most limiting to primary productivity.
B) Adding a nonlimiting nutrient will stimulate primary productivity.
C) Adding more of a limiting nutrient will increase primary productivity, indefinitely.
D) Phosphorous is sometimes unavailable to producers due to leaching.
E) Alkaline soils are more productive than acidic soils.
Correct Answer:

Verified
Correct Answer:
Verified
Q47: Approximately 1% of the solar radiation that
Q48: Which of these ecosystems has the lowest
Q49: The Hubbard Brook watershed deforestation experiment yielded
Q50: Subtraction of which of the following will
Q51: If the sun were to suddenly stop
Q53: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5463/.jpg" alt=" Food web
Q54: A porcupine eats 3,000 J of plant
Q55: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5463/.jpg" alt=" Diagram of
Q56: Secondary consumers that can eat only primary
Q57: In a typical grassland community, which of