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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An
ecosystem consists of a. | a community of organisms. | c. | the soil, water, and weather. | b. | energy. | d. | All of the
above | | | | |
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2.
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Succession is a. | an organism’s ability to survive in its
environment. | b. | the number of species living in an
ecosystem. | c. | the regular progression of species replacement in an
environment. | d. | the transfer of energy through a food
chain. | | |
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3.
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cows
: herbivores :: a. | horses :
carnivores | c. | algae :
consumers | b. | plants : producers | d. | caterpillars : producers | | | | |
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4.
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Animals that feed on plants are at least in the a. | first trophic
level. | c. | third trophic
level. | b. | second trophic level. | d. | fourth trophic level. | | | | |
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5.
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The
paths of water, carbon, nitrogen, and phosphorus pass from the nonliving environment to living
organisms and back to the nonliving environment in closed circles called a. | living
cycles. | c. | biogeochemical
cycles. | b. | environcycles. | d. | None of the above | | | | |
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