What is production efficiency?
A) The rate of photosynthetic fixation as a function of temperature.
B) The percentage of energy assimilated by an organism that becomes new biomass.
C) The amount of energy used by organisms at every node of a food web.
D) Consumption of primary production by the second and third levels of a food web.
E) The net gain to an ecosystem based on photosynthetic production.
Correct Answer:
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Q1: Which of these is a heterotroph?
A) a
Q2: How does energy enter a food chain
Q3: In most food webs, chain lengths are
A)
Q5: Production efficiency is _ in ectotherms than
Q6: Deforestation in areas like Madagascar can significantly
Q7: An oak tree can support hundreds of
Q8: Ecosystem ecology is primarily concerned with
A) ecosystem
Q9: Gross Primary Production =
A) Net Primary Production
B)
Q10: In subarctic saltmarshes, the addition of phosphorus
Q11: The total biomass in an ecosystem at
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