As a general rule,for each jump up in trophic level,about how much does the available energy drop?
A) 10 percent
B) 30 percent
C) 50 percent
D) 90 percent
E) practically 100 percent
Correct Answer:
Verified
Q32: The "ozone hole" is caused by the:
A)buildup
Q33: The Venus flytrap is a photosynthetic plant
Q34: Which of the following would produce an
Q35: What role is a wolf playing when
Q36: The "rain shadow" effect occurs because:
A)cloud shadows
Q38: Phytoplankton are:
A)producers.
B)primary consumers.
C)secondary consumers.
D)tertiary consumers.
E)detritivores.
Q39: Humans function primarily at which trophic levels?
A)producers;
Q40: Tundra is characterized by:
A)low rainfall, deep water
Q41: Oligotrophic lakes have:
A)low oxygen concentrations in the
Q42: Atmospheric N₂ is useless to plants.
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