Multiple Choice: Darken the choice that best completes
the statement or answers the question.
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1.
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Refer to the illustration above. The photosynthetic algae are
A | producers. | C | parasites. | B | consumers. | D | decomposers. |
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2.
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Refer to the illustration above. The diagram, which shows how energy moves
through an ecosystem, is known as a
A | habitat. | C | food net. | B | food chain. | D | food web. |
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3.
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Refer to the illustration above. Leopard seals are
A | producers. | C | herbivores. | B | omnivores. | D | carnivores. |
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4.
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Refer to the illustration above. Killer whales feed at the
A | first and second trophic levels. | C | second and third trophic
levels. | B | second trophic level only. | D | third and fourth trophic levels. |
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5.
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Refer to the illustration above. The process shown in the diagram is known
as
A | competitive exclusion. | C | symbiosis. | B | succession. | D | oligotrophy. |
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6.
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succession : a regular replacement of species ::
A | organisms : survival in the environment | B | ecosystems : the
number of species | C | trophic levels : a regular reduction of energy | D | food chains : the
number of trophic levels |
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7.
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Succession occurs
A | as one generation of organisms replaces the previous one. | B | as a previously
existing community is replaced. | C | after a new food web is
established. | D | only after a glacier retreat. |
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8.
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When the settlers arrived in New England, many forests were turned into fields.
Eventually, some fields were abandoned and then grew back into forests. This is best described
as
A | succession. | C | pioneer species. | B | coevolution. | D | niche
realization. |
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9.
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Refer to the illustration above. Level A is composed of
A | carnivores. | C | producers. | B | herbivores. | D | omnivores. |
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10.
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Refer to the illustration above. On the diagram, animals that feed on plant
eaters are no lower than
A | level A. | C | level C. | B | level B. | D | level D. |
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11.
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Refer to the illustration above. The diagram shows a(n)
A | population. | C | food web. | B | community. | D | energy pyramid. |
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12.
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Refer to the illustration above. How much energy is available to the organisms
in level C?
A | all of the energy in level A plus the energy in level B | B | all of the energy in
level A minus the energy in level B | C | 10 percent of the energy in level
B | D | 90 percent of the energy in level B |
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13.
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Refer to the illustration above. The diagram represents the decrease in
A | the number of organisms from higher to lower trophic levels. | B | available energy from
lower to higher trophic levels. | C | diversity of organisms between lower and higher
levels. | D | trophic levels. |
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14.
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Refer to the illustration above. At each trophic level, the energy stored in the
organisms in that level is about
A | ten percent of the energy in the level below it. | B | ten percent of the
energy in the level above it. | C | 50 percent of the energy in the level below
it. | D | 100 percent of the energy in the level below it. |
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15.
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Refer to the illustration above. Which is an accurate assumption about why there
are not more than four trophic levels in this diagram?
A | Carnivores do not eat other carnivores. | B | The fourth level
consumers do not have enough energy to support another tropic level. | C | Fifth level consumers
are also herbivores. | D | Fifth level consumers are always
decomposers. |
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