The ultimate source of energy in ecosystems,even for humans,is
A) heat from burning fuels.
B) heat from muscle contraction.
C) sunlight.
D) electric light.
E) ultraviolet light.
Correct Answer:
Verified
Q13: Fungi and bacteria are detritus-feeders, also known
Q20: Deposits of coal are important in the
Q21: Pioneers move into an area and harvest
Q21: Which is NOT a consumer?
A)omnivore
B)herbivore
C)detritivores
D)autotroph
E)carnivore
Q23: Which sequence correctly illustrates the most plausible
Q24: In the biosphere,which of the following is
Q25: Ecologists have found that
A)life as we know
Q25: When a plant produces food by photosynthesis,
Q36: In a grazing food chain,
A)all the consumers
Q38: Which of the following is NOT necessary
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