Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 55, Problem 17TYK
Which of the following actions is an example of bioaugmentation?
- a. adding fertilizer to degraded soils
- b. restoring the natural flow of river channels
- c. planting nitrogen-fixing lupines in soils disturbed by mining
- d. adding ethanol to stimulate the growth of uranium-reducing bacteria in contaminated groundwater
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Which of the following approaches would be the most effective way to reduce greenhouse carbon dioxide? a. Increase waste deposition into the deep ocean. b. Plant more environmentally-suitable plants. c. Increase use of fuel sources that do not produce carbon dioxide as a by-product. d. Decrease livestock agriculture.
Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?
A.
By cyanobacteria
B.
By electrical discharges in the atmosphere
C.
By industrially synthesised fertilizer
D.
By denitrification
Use of synthetic fertilizers often leads to the contamination of groundwater with nitrates. Nitrate pollution is also a suspected cause of anoxic "dead zones" in the ocean. Which of the following processes is most likely to help reduce nitrate pollution?
A. adding methanogens to the soil
B. adding nitrifying bacteria to the soil
C. adding denitrifying bacteria to the soil
D. using ammonia instead of nitrate as a fertilizer
Chapter 55 Solutions
Study Guide for Campbell Biology
Ch. 55 - What may happen if the input of a mineral nutrient...Ch. 55 - Compare the movement of energy and chemical...Ch. 55 - a. List some ecosystems with high primary...Ch. 55 - a. Why is production efficiency higher for fishes...Ch. 55 - What is the biological importance of water,...Ch. 55 - a. In which natural ecosystem do nutrients cycle...Ch. 55 - Contrast bioremediation and biological...Ch. 55 - Prob. 1SYKCh. 55 - What is secondary production? How does it relate...Ch. 55 - What processes mediate the interconversion of the...
Ch. 55 - The inefficiency of energy transformations is...Ch. 55 - Which of the following statements about ecosystems...Ch. 55 - Primary production is a. equal to the standing...Ch. 55 - The open ocean and tropical rain forest are the...Ch. 55 - Production in terrestrial ecosystems is affected...Ch. 55 - Which of the following statements concerning net...Ch. 55 - Secondary production is a. measured by the...Ch. 55 - Most food chains have only three to five links....Ch. 55 - Some authors have suggested that humans world-wide...Ch. 55 - Which of the following organisms would you predict...Ch. 55 - If a bird eats seeds with an energy content of 400...Ch. 55 - Biogeochemical cycles are global for elements a....Ch. 55 - The atmosphere is the main reservoir for a. water...Ch. 55 - Which of these processes is incorrectly paired...Ch. 55 - Clear-cutting tropical forests yields agricultural...Ch. 55 - Plants, prokaryotes, and fungi are useful in...Ch. 55 - Which of the following actions is an example of...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Explain how the process of bioremediation is going to resolve the oil spill issue in the Kalba seaarrow_forwardGive two environmental factors that would enhance the bioremediation process.arrow_forwardBiological magnification occurs whena. pollutants increase in concentration in tissues at higher trophic levels.b. the effect of a pollutant is magnified by chemical interactions within organisms.c. an organism is placed under a dissecting scope.d. a pollutant has a greater than expected effect once ingested by an organism.arrow_forward
- Consider figure 49.8 in the textbook. Note the red versus blue squares and the red versus blue bars in the graph. Please choose all applicable options. a.The difference in color (red versus blue) corresponds to a difference in an abiotic factor. b.The difference in color intensity (dark red versus light red) corresponds to a difference in a biotic factor. c.The difference in color (red versus blue) corresponds to a difference in a biotic factor. d.The difference in color intensity (dark red versus light red) corresponds to a difference in an abiotic factor.arrow_forwardFigure 20.12 Which of the following statements about the nitrogen cycle is false? a. Ammonification converts organic nitrogenous matter from living organisms into ammonium (NH4+) . b. Denitrification by bacteria converts nitrates (NO3) to nitrogen gas (N2) . c. Nitrification by bacteria converts nitrates (NO3) to nitrites (NO2) . d. Nitrogen fixing bacteria convert nitrogen gas (N2) into organic compounds.arrow_forwardThe process whereby oxygen is depleted by the growth of microorganisms due to excess nutrients in aquatic systems is called _________. a. dead zoning b. eutrophication c. retrophication d. depletionarrow_forward
- Which of the following factors would explain why there is a decreasing trend of microbial population from top to bottom? A. There is a shift in the condition form oxic to anoxic. B. All statements are acceptable. C. The soil particles become larger and not weathered. D. There is a decrease in the available nutrients.arrow_forwardWhich of the following is a process of the nitrogen cycle that involves the conversion of nitrogen gas to ammonia? a.Nitrogen fixation b.Nitrification c.Ammonification d.Denitrificationarrow_forwardWhich of the following processes is/are used to fix atmospheric N2? a.bacterial action b.Haber process c.lightning d.transaminationarrow_forward
- The biodiversitry increases when one moves from the pioneer to the climax stage.What could be the explanation?arrow_forwardWhich of the following describes industrial agriculture? a) Included the use of biotechnology b) Maximized the use of hand tools and animals c) Introduced machines and synthetic fertilizers d) Relied on generous amounts of waterarrow_forwardWhich of the following is a biotic factor? a. wind b. disease-causing microbe c. temperature d. soil particle sizearrow_forward
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