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Matching: Write the letter of the term or phrase that best matches the description.
a. cellular respiration, b. decomposer, c. producer, d. consumer, e. photosynthesis, f. food web
1. an organism that makes its own food2. the process of breaking down food to yield energy3. organisms that get their energy by eating other organisms4. the process in which plants make sugar molecules from sunlight5. consumers that get their food by breaking down dead organisms6. the many feeding relationships possible in an ecosystem
Multiple choice: In the space provided, write the letter of the term or phrase that best completes each statement or best answers each question.
7. 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
8. Which organism is likely to be in the bottom trophiclevel in a food chain?a. leopard seal b. alga c. krill d. killer whale
9. What is the ultimate source of energy for almost all organisms except those living deep in the ocean near a thermal vent?a. producers b. consumers c. the sun d. bacteria
10. What are organisms that eat both plants and animals called?a. herbivores b. carnivores c. omnivores d. autotrophs
8. Which organism is likely to be in the bottom trophiclevel in a food chain?a. leopard seal b. alga c. krill d. killer whale
9. What is the ultimate source of energy for almost all organisms except those living deep in the ocean near a thermal vent?a. producers b. consumers c. the sun d. bacteria
10. What are organisms that eat both plants and animals called?a. herbivores b. carnivores c. omnivores d. autotrophs
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