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