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
branch of biology dealing with interactions among organisms and between organisms and their
environment is called a) | economy. | c) | recycling. | b) | modeling. | d) | ecology. | | | | |
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2)
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The
combined portions of Earth in which all living things exist is called the a) | biome. | c) | ecosystem. | b) | community. | d) | biosphere. | | | | |
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3)
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All
of the members of a particular species that live in one area are called a(an) a) | biome. | c) | community. | b) | population. | d) | ecosystem. | | | | |
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4)
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Which
of the following descriptions about the organization of an ecosystem is correct? a) | Communities make
up species, which make up populations. | b) | Populations make up species, which make up
communities. | c) | Species make up communities, which make up
populations. | d) | Species make up populations, which make up
communities. | | |
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5)
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The
simplest grouping of more than one kind of organism in the biosphere is a) | a
population. | c) | an
ecosystem. | b) | a community. | d) | a species. | | | | |
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6)
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The
lowest level of environmental complexity that includes living and nonliving factors is
the a) | biome. | c) | ecosystem. | b) | community. | d) | biosphere. | | | | |
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7)
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Plants are a) | producers. | c) | herbivores. | b) | consumers. | d) | omnivores. | | | | |
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8)
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What
is the original source of almost all the energy in most ecosystems? a) | carbohydrates | c) | water | b) | sunlight | d) | carbon | | | | |
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9)
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An
organism that uses energy to produce its own food supply from inorganic compounds is
called a(an) a) | heterotroph. | c) | detritivore. | b) | consumer. | d) | autotroph. | | | | |
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10)
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An
organism that cannot make its own food is called a(an) a) | heterotroph. | c) | autotroph. | b) | chemotroph. | d) | producer. | | | | |
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11)
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Organisms that obtain nutrients by breaking down dead and decaying plants and animals
are called a) | decomposers. | c) | autotrophs. | b) | omnivores. | d) | producers. | | | | |
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12)
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What
is an organism that feeds only on plants called? a) | carnivore | c) | omnivore | b) | herbivore | d) | detritivore | | | | |
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13)
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What
animals eat both producers and consumers? a) | herbivores | c) | chemotrophs | b) | omnivores | d) | autotrophs | | | | |
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14)
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Which
of the following is NOT recycled in the biosphere? a) | water | c) | carbon | b) | nitrogen | d) | energy | | | | |
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