Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 42, Problem 7TYU
Summary Introduction
Introduction:
The process of removing the pollutants from the ecosystem by the help of natural remediation, mainly microorganisms is called bioremediation. The polluted water bodies, soil, and air are targeted by the microorganisms. The process is a very useful approach to the betterment of ecosystem.
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Chapter 42 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 42.1 - Why is the transfer of energy in an ecosystem...Ch. 42.1 - WHAT IF? You are studying nitrogen cycling on the...Ch. 42.1 - MAKE CONNECTIONS Use the second law of...Ch. 42.2 - Why is only a small portion of the solar energy...Ch. 42.2 - How can ecologists experimentally determine the...Ch. 42.2 - Prob. 3CCCh. 42.3 - If an insect that eats plant seeds containing 100...Ch. 42.3 - Tobacco leaves contain nicotine, a poisonous...Ch. 42.3 - WHAT IF? Detritivores are consumers that obtain...Ch. 42.4 - Prob. 1CC
Ch. 42.4 - Prob. 2CCCh. 42.4 - Prob. 3CCCh. 42.5 - Prob. 1CCCh. 42.5 - How do bioremediation and biological augmentation...Ch. 42.5 - Prob. 3CCCh. 42 - Prob. 1TYUCh. 42 - Which of these ecosystems has the lowest net...Ch. 42 - Prob. 3TYUCh. 42 - Prob. 4TYUCh. 42 - Which of the following has the greatest effect on...Ch. 42 - Prob. 6TYUCh. 42 - Prob. 7TYUCh. 42 - Prob. 8TYUCh. 42 - INTERPRET THE DATA Draw a simplified global water...Ch. 42 - SCIENTIFIC INQUIRY Using two neighboring ponds in...Ch. 42 - Prob. 11TYUCh. 42 - FOCUS ON ENERGY AND MATIER Decomposition typically...Ch. 42 - Prob. 13TYU
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- Figure 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_forwardConverting a prairie to a farm field is an example of _________. a. overharvesting b. habitat loss c. exotic species d. climate changearrow_forward
- Organisms at the first trophic level ________. a. capture energy from a nonliving source b. are eaten by organisms at lower trophic levels c. are shown at the top of an energy pyramid d. are consumersarrow_forwardThe ______ cycle is a sedimentary cycle. a. phosphorus c. nitrogen b. carbon d. waterarrow_forwardThe producer in an ocean grazing food web is usually a _____. a. plant b. animal c. fungi d. planktonarrow_forward
- What is one of the primary benefits of bioremediation? Group of answer choices A. to improve human health with the help of living organisms such as bacteria B. to clean up areas polluted with toxic compounds by using bacteria C. to improve soil quality for plant growth by using bacteria D. to improve bacteria for production of useful chemicalsarrow_forwardFrom the nitrogen cycle diagram below, which of the following is/are a process by which nitrogen can move into the dissolved ocean nitrogen pool? (Select all that apply) A- Denitrification B- Runoff C- Fossil fuel burning D- Agricultural N fixation E- Natural N fixationarrow_forwardWhich 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.arrow_forward
- Explain how the process of bioremediation is going to resolve the oil spill issue in the Kalba seaarrow_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. retrofication d. depletionarrow_forwardWhich term is incorrectly matched?(a) biogeochemical cycles—recycling of life-essential ele-ments and water(b) nitrogenase—a nitrogen-fixing enzyme(c) ecosystem—organisms able to carry out bioremediationin a particular niche(d) nitrate—form of nitrogen most usable in plantmetabolismarrow_forward
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