Which of the following statements about nutrient cycling is FALSE?
A) An ecosystem has the property of regulating the cycling of nutrients.
B) An ecosystem is self-sustaining in terms of its nutrient supply.
C) Nutrients are continuously cycled between organisms and the environment.
D) In an ideal nutrient cycle, small amounts of nutrients are lost.
E) In a nutrient cycle, the rate of flow differs among nutrients and habitats.
Correct Answer:
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Q9: The biosphere consists of all the Earth's:
A)populations.
B)communities.
C)species.
D)autotrophs
Q10: Which of the following is not an
Q11: _ would be found at the base
Q12: A fungus is both a(n) _ and
Q13: _ is a fuel formed from wetland
Q15: Which of the following statements about an
Q16: A(n)_ includes, by definition, all the organisms
Q17: In an ecosystem, energy flows from:
A)consumers to
Q18: A secondary consumer occupies the _ trophic
Q19: Competition occurs, by definition, when two individuals
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