Multiple Choice
Identify the letter of the choice that best completes the
statement or answers the question.
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1.
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The second tropic level of a deciduous forest
ecosystem includes all of the following except
a. | herbivores. | b. | chemoautotrophs. | c. | decomposers. | d. | detritivores. |
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2.
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A straight-line sequence of who eats whom
is
a. | a food web. | b. | a biomass pyramid | c. | an energy
pyramid. | d. | a food
chain. |
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3.
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An energy pyramid
a. | is based on the weight of all the members at each
trophic level. | b. | is one way of
depicting the tropic structure of an ecosystem. | c. | always has the smallest tier at the bottom. | d. | all of the above |
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4.
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Which of the following is a
detritivore?
a. | an earthworm | b. | a mushroom | c. | a
lion | d. | an oak
tree |
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5.
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All organisms at a given trophic
level
a. | are the same number of transfer steps away from an
energy input into the ecosytem. | b. | are consumed by
the organisms at the next lowest level. | c. | interact only with
other organisms at that same level. | d. | are members of the
same species. |
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