The Lake Erie ecosystem was affected by humans because human activities ____.
A) extracted resources without replacement
B) caused global warming
C) used the water without replacement
D) disrupted energy flow and the cycling of nutrients
E) extracted energy without replacement
Correct Answer:
Verified
Q13: Which ecosystem covers a large percentage of
Q14: Ecologists use compartment models to describe _.
A)
Q15: Herbivores are _ energy transfer(s) away from
Q16: Biogeochemical cycles describe _.
A) the constant recycling
Q17: Respiration affects a compartment model by _.
A)
Q19: One disadvantage of a simulation model of
Q20: Sedimentation converts ions and particles from the
Q21: How do the pyramids of biomass for
Q22: Which three factors determine the ecological efficiencies
Q23: Assimilation efficiency is the ratio of _.
A)
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