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- 1. Open EndedWhich of the following best describes the net primary productivity of an ecosystem?
- 2. Open EndedIf respiration by the aquatic producers is 12,000 kcal/m2 per year, what is the gross annual primary productivity for this ecosystem, in kcal/m2 per year?
- 3. Open EndedOf the following organisms, which occupies the lowest trophic level?
- 4. Open EndedLosses of usable energy between successive trophic levels in an ecosystem are best accounted for by which of the following?
- 5. Open EndedWhich of the following is exemplified by the equations above?
- 6. Open EndedThe explanation for the variation includes which of the following? i. Temperature ii. Precipitation iii. Longitude
- 7. Open EndedWhich of the following best describes the first law of thermodynamics?
- 8. Open EndedWhich of the following is the most likely amount of energy available to secondary consumers?
- 9. Open EndedAn energy transformation occurs and results in increased disorder.
- 10. Open EndedWhich of the following categories of organisms, which are required for the cycling of matter in an ecosystem, is missing from the table?
- 11. Open Endedwhich of the following changes would most likely occur in the food web of this ecosystem?
- 12. Open EndedBased on the data in the table, which of the following pairs of organisms has two ecological relationships, both competition and predation?
- 13. Open EndedWhich of the following best describes the movement of energy in an ecosystem?
- 14. Open EndedWhich of the following values best represents the amount of energy available for primary consumers in the food chain?
- 15. Open EndedWhich of the following values best represents the amount of energy available for secondary consumers in the food chain?
- 16. Open EndedFor a primary producer, the main function of photosynthesis is to manufacture
- 17. Open EndedWhich of the following best describes gross primary productivity in an ecosystem?
- 18. Open EndedWhich of the following best explains why terrestrial trophic pyramids usually do not have levels higher than tertiary consumers?
- 19. Open EndedWhich of the following best explains why decomposers in soils and water are important to ecosystems?
- 20. Open EndedThe maximum efficiency possible in an energy-conversion process that is not limited by the second law of thermodynamics
- 21. Open EndedThe ultimate source of energy for terrestrial ecosystem is
- 22. Open EndedWhich of the following statements is best supported by the data?
- 23. Open EndedWhich of the following best identifies the author's claim?
- 24. Open EndedAll of the following are negative externalities EXCEPT
- 25. Open EndedWhich tree species grows best with full sunlight?
- 26. Open EndedWhich of the following would be categorized as a cultural ecosystem service of forests?
- 27. Open EndedWhich of the following would most likely result from the deforestation of large areas of tropical rain forests caused by slash-and-burn agriculture?
- 28. Open EndedBased on the theory of island biogeography, which of the following is the most likely reason that an island in the ocean that is 5 kilometers from a continent would have a higher number of species than one that is 15 kilometers from a continent?
- 29. Open EndedOn the basis of the data, the best prediction of the pH of the water in which Daphnia normally are found in the wild is
- 30. Open EndedBased on the theory of island biogeography, which of the following would most likely experience the greatest decline of specialist species if an invasive species emigrated from the mainland?
- 31. Open EndedWhich of the following correctly describes the disruption of an ecosystem service by an anthropogenic activity?
- 32. Open EndedFive islands, A, B, C, D, and E, differ only in distance from the mainland, area, and species diversity. Which island would be predicted to have the highest species diversity?
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