What is the range of actual efficiencies of energy transfer from one trophic level to the next?
A) 5-20%
B) 20-30%
C) 10-25%
D) 90-100%
Correct Answer:
Verified
Q25: Why are most food chains limited to
Q26: Species found in only one place on
Q27: The organisms that can convert atmospheric nitrogen
Q28: _ convert nitrogen from nitrates to N2.
A)Nitrifying
Q29: The rate at which an ecosystem's producers
Q31: The primary goal of conservation biology is
Q32: Besides the atmosphere, abiotic reservoirs of carbon
Q33: A regional assemblage of interacting ecosystems is
Q34: With regard to nutrient pollution in aquatic
Q35: Modern conservation science increasingly aims at _.
A)protecting
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