Primary production is the ____.
A) rate of photosynthesis
B) rate of energy flow
C) amount of energy stored in the ecosystem
D) amount of energy utilized
E) rate at which consumers capture and store energy
Correct Answer:
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Q17: What is the major reservoir of phosphorus?
A)atmosphere
B)sedimentary
Q18: In ecosystems, primary consumers are _.
A)herbivores
B)carnivores
C)scavengers
D)decomposers
E)detritivores
Q19: How does phosphorus enter the biological portion
Q20: By the process called _, an organism's
Q21: Which gas is increasing the most in
Q23: Producers take up _ from the atmosphere
Q24: Producers are present at which trophic level?
A)first
B)second
C)third
D)fourth
Q25: The bottom or base of an energy
Q26: Detritus specifically includes _.
A)exclusively organic wastes
B)exclusively toxic
Q27: Most of the energy within an ecosystem
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