Chemical cycling may involve which of the following?
A) a reservoir unavailable to producers
B) an exchange pool as a source from which organisms can acquire chemicals
C) a biotic community in which chemicals move through food chains
D) a geological component, in which chemicals move through the soil or the air
E) All of the choices are correct.
Correct Answer:
Verified
Q2: Is it possible that the carbon atoms
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Q5: Which of the following associations is incorrect?
A)omnivore
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A)primary consumers eat
Q15: Consider the following food chain: hawk -
Q18: An ecosystem contains
A) only the biotic components
Q19: Approximately what percentage of the energy in
Q20: Which of the following statement(s)about the hydrologic
Q20: Energy flow in an ecosystem is not
Q39: The only heterotrophs required in an ecosystem
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