Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 54.3, Problem 4SB
What is Earth’s main reservoir for phosphorus, and why is itrecycled at such a slow rate from that reservoir?
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Students have asked these similar questions
How does the release of large amounts of phosphorus by humans cause problems?
How is phosphorus typically released from geological sources into the soil and aquatic systems?
Through the weathering of phosphate-rich rocks
Through atmospheric deposition
Through volcanic eruptions
Through biological fixation by microorganisms
Which nitrogen flux is incorrectly described?
O nitrification is the conversion of ammonium to nitrates
nitrogen mineralization is the conversion of organic nitrogen to inorganic nitrogen
nitrogen immo bilization is the conversion of ammonium to metamorphic rock
O denitrification is the conversion of nitrate to nitrogen gas
O nitrogen fixation is the conversion of nitrogen gas to bioavailable forms of nitrogen
Chapter 54 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 54.1 - In the generalized compartment model of...Ch. 54.1 - Prob. 2SBCh. 54.1 - Prob. 3SBCh. 54.2 - What is the difference between gross primary...Ch. 54.2 - What environmental factors influence rates of...Ch. 54.2 - Why is energy lost from an ecosystem at every...Ch. 54.2 - Prob. 4SBCh. 54.3 - Prob. 1SBCh. 54.3 - Prob. 2SBCh. 54.3 - Prob. 3SB
Ch. 54.3 - What is Earths main reservoir for phosphorus, and...Ch. 54.4 - Prob. 1SBCh. 54.4 - Prob. 2SBCh. 54.4 - Prob. 3SBCh. 54 - Prob. 1TYKCh. 54 - The total dry weight of plant material in a forest...Ch. 54 - Prob. 3TYKCh. 54 - Prob. 4TYKCh. 54 - Which process moves nutrients from the available...Ch. 54 - Which of the following materials has a sedimentary...Ch. 54 - Prob. 7TYKCh. 54 - Prob. 8TYKCh. 54 - The amount of energy available at the highest...Ch. 54 - Which of the following statements is supported by...Ch. 54 - Prob. 11TYKCh. 54 - Prob. 12TYKCh. 54 - Prob. 13TYKCh. 54 - Prob. 14TYKCh. 54 - Prob. 15TYKCh. 54 - Prob. 16TYKCh. 54 - Prob. 1ITD
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- Why are drinking water supplies still a major concern for many countries?arrow_forwardWhy are bacteria required in the nitrogen cyclearrow_forwardRefer to Fig. 5.5. and redraw the important transformations of fixed nitrogen in ecosystems. Note the following processes: biological N fixation, non-biological N-fixation, ammonification, nitrification, denitrification. Reference: https://ecampusontario.pressbooks.pub/environmentalscience/chapter/chapter-5-flows-and-cycles-of-nutrients/arrow_forward
- of biologically available nitrogen? What inorganic nitrogen pool is composed of N2 and in the ultimate source (one word)arrow_forwardWhat is the key concept for this section? Whatpercentage of available freshwater is lost throughinefficient use and other causes in the world and inthe United States? What are two major reasons forthose losses? Describe three major irrigation methodsand list ways to reduce water losses in irrigation. Listfour ways to reduce water waste in industries andhomes and three ways to use less water to removewastes. What is gray water? Describe Sandra Postel’sefforts to educate people about water supply issues.List four ways in which you can reduce your useand waste of water. What is a floodplain? List fourhuman activities that increase the threat of floodingand four ways to reduce our contribution to floodingarrow_forwardWhat are the abiotic reservoirs of nitrogen? In what form does nitrogen occur in each reservoir?arrow_forward
- Why is nitrogen a limiting nutrient for so many organisms, and what is it used for? (consider the four types of organic molecules)arrow_forwardAn estimated 1000 kg of plant plankton are needed to produce 100 kg of animal plankton. The animal plankton is in turned consumed by 10 kg of fish, the amount needed by a person to gain 1 kg of body mass. i) explain why the amount of biomass declines at each successive trophic level.arrow_forwardNutrient cycling in aquatic vs terrestrial systems differ because: a) Aquatic systems store lower proportions of carbon and nutrients in detritus than terrestrial systems b) Water flow alters how nutrients move within streams, which affects nutrient retentiveness c) both d) neitherarrow_forward
- Why is the phosphorus cycle different from the nitrogen cyclearrow_forwardA sizable amount of the nitrogen and phosphorus that enters the Chesapeake Bay originates from farms and other faraway sources, yet it is people living near the bay, such as oystermen and crabbers, who bear many of the negative impacts. Who do you believe should be responsible for addressing the problems posed by nutrient pollution? Should policies on this issuebe developed and enforced by state governments, the federal government,both, or neither? Explain the reasons for your answer.arrow_forwardWhy is the stringent response typically active during nitrogen starvation but not in response to carbon sources?arrow_forward
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