Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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Section 1 - Energy Flow in Ecosystems
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1.
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What term is used to describe a linear sequence in which energy is transferred
from one organism to the next?
a. | food web | b. | food chain | c. | trophic
level | d. | energy pyramid |
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2.
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Which organism is likely to be in the bottom trophic level in a food
chain?
a. | leopard seal | b. | alga | c. | krill | d. | killer whale |
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3.
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What is the ultimate source of energy for almost all organisms?
a. | producers | b. | consumers | c. | the
sun | d. | bacteria |
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4.
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What are organisms that eat both plants and animals called?
a. | herbivores | b. | carnivores | c. | omnivores | d. | autotrophs |
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Matching
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Section 1 - Energy Flow in Ecosystems
Choose the
letter of the term or phrase that best matches the description.
a. | cellular respiration | d. | consumer | b. | decomposer | e. | photosynthesis | c. | producer | f. | food web |
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5.
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an organism that makes its own food
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6.
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the process of breaking down food to yield energy
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7.
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organisms that get their energy by eating other organisms
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8.
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the process in which plants make sugar molecules from sunlight
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9.
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consumers that get their food by breaking down dead organisms
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10.
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the many feeding relationships possible in an ecosystem
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