Owing to the major loss of energy at each successive trophic level,food chains generally have no more than ___ trophic levels.
A) 3
B) 5
C) 7
D) 9
Correct Answer:
Verified
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Q29: Which term could be filled in for
Q30: In this figure,at which trophic level is
Q31: It is possible for a population's gene
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Q34: What is the term used for the
Q35: Chlorofluorocarbons,or CFCs,are responsible for:
A)acid rain.
B)ozone layer damage.
C)smog.
D)water
Q36: The concentrations of which two chemicals is
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