Multiple Choice
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
Correct Answer:
Verified
Q44: Burning fossil fuels has clearly resulted in
Q45: A small decrease in seawater pH was
Q46: Match each description with the appropriate term.
Q47: Where do terrestrial plants obtain the necessary
Q48: What is the ratio of the energy
Q50: What is the relationship of food webs
Q51: Energy losses are multiplied in successive energy
Q52: The overall ecological efficiency of most organisms
Q53: Biological magnification is best defined as _.<br>A)
Q54: The main natural source of phosphorus is