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Basic Biology Practice Test: Ecosystems and Restoration Ecology
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Ecosystem restoration is the process of helping an ecosystem recover after it has been damaged, destroyed, or degraded. Ecosystems are dynamic communities of plants, animals, and microorganisms that interact with their physical environment as a functional unit.

Related Test: Basic Biology Practice Test: Community Ecology

Basic Biology Practice Test: Ecosystems and Restoration Ecology
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25 Questions

1. Why does a vegetarian leave a smaller ecological footprint than an omnivore?
2. Many homeowners mow their lawns during the summer and collect the clippings, which are then hauled to the local landfill. Which of the following actions would most benefit the suburban ecosystem?
3. Which statement most accurately describes how matter and energy are used in ecosystems?
4. A 3-hectare lake in the American Midwest suddenly has succumbed to an algal bloom. What is the likely cause of eutrophication in freshwater ecosystems, such as this one?
5. How does inefficient transfer of energy among trophic levels result in the typically high endangerment status of many top-level predators?
6. How do the Taylor Glacier bacteria produce their energy?
7. Aquatic primary productivity is most limited by which of the following?
8. What is the goal of restoration ecology?
9. Photosynthetic organisms are unique to most ecosystems because they
10. Which trophic level is most vulnerable to extinction?
11. A cow's herbivorous diet indicates that it is a(n)
12. Aquatic ecosystems are least likely to be limited by which of the following nutrients?
13. Which of the following is primarily responsible for limiting the number of trophic levels in most ecosystems?
14. In ecosystems, why is the term cycling used to describe material transfer, whereas the term flow is used for energy exchange?
15. If the sun were to suddenly stop providing energy to Earth, most ecosystems would vanish. Which of the following ecosystems would likely survive the longest after this hypothetical disaster?
16. What is secondary production?
17. How does phosphorus normally enter ecosystems?
18. Consider the food chain grass→ grasshopper → mouse → snake → hawk. How much of the chemical energy fixed by photosynthesis of the grass (100%) is available to the hawk?
19. Which of the following would be considered an example of bioremediation?
20. Which of the following locations is the reservoir for nitrogen in the nitrogen cycle?
21. Which data is most useful to measure primary productivity in a terrestrial ecosystem?
22. Which of these ecosystems accounts for the largest amount of Earth's net primary productivity?
23. How is net ecosystem production (NEP) typically estimated in ecosystems?
24. Secondary consumers that can eat only primary consumers receive what percent of the energy fixed by primary producers in a typical field ecosystem?
25. In a typical grassland community, which of the following has the smallest biomass?

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