An organism that can use energy and inorganic substances to produce all the organic material it requires is a(an) :
A) Producer and heterotroph
B) Heterotroph
C) Autotroph and producer
D) Autotroph
E) Producer
Correct Answer:
Verified
Q17: In _ multiple species use the same
Q18: A gradual change in a community's species
Q19: A _ makes up a small portion
Q20: The decline of the sea otter population
Q21: The "net primary productivity" is:
A)The amount of
Q23: Carbon returns to the atmosphere:
A)As carbon dioxide
B)From
Q24: Decomposers:
A)Obtain nutrients from detritus
B)Return organic molecules to
Q25: Nitrogen-fixing bacteria convert N2 into _.
A)Nitrates
B)Ammonia
C)Nitrites
D)Carbon dioxide
E)Methane
Q26: The _ cycle begins with the weathering
Q27: The type of succession that occurs in
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