front 1 Which of the following best illustrates the concept of the tragedy of the commons? | back 1 Depletion of an aquifer by regional farmers |
front 2 Which of the following is the best example of the tragedy of the commons? | back 2 Water pollution from oil rigs concentrated in the Gulf of Mexico |
front 3 Which of the following is a commercially used method for harvesting trees and is most likely to lead to a fragmented landscape with serious impacts on biodiversity? | back 3 Clear-cutting |
front 4 Which of the following is most likely to occur in a forested region that has been recently clear-cut? | back 4 The concentration of nitrates in streams running through the region will increase. |
front 5 Based on the data in the graph, which location showed an annual average grain yield in 1991–1993 that was approximately 2.3 times the yield in 1961–1963 ? | back 5 Asia |
front 6 Which of the following statements best identifies the author’s assumptions in terms of a new green revolution? | back 6 Current agricultural practices and strategies need to be evaluated in order to meet the demand for increased food production. |
front 7 Country with the greatest percentage of land area affected by desertification | back 7 Australia |
front 8 Factors contributing to the rise in world hunger include all of the following EXCEPT | back 8 increasing consumption of vegetable protein in place of meat protein |
front 9 The excessive pumping of groundwater from wells can influence the water levels below ground. Which of the following is more likely to occur in aquifers in coastal areas than in aquifers in other regions? | back 9 Saltwater intrusion into the aquifers |
front 10 If the trend in total water withdrawal represented in the graph continues, which of the following is most likely to happen in the future? | back 10 Aquifers will be depleted if demand is higher than recharge rate. |
front 11 Based on the data in the graph, which of the following illustrates the approximate percent increase in total water withdrawals between 1970 and 2010 ? | back 11 56 |
front 12 Based on the data in the graph, which of the following proposed solutions would have the greatest effect on reducing global water withdrawals? | back 12 Government grants to assist farmers with the up-front installation costs of drip irrigation systems. |
front 13 Which of the following is a disadvantage associated with the genetic modification of crops? | back 13 Genetically modifications can decrease the genetic diversity of crop species. |
front 14 Which of the following best describes a disadvantage of using genetically engineered crops over crops that are not genetically modified? | back 14 Genetically engineered plants can decrease the genetic diversity of the crop. |
front 15 The development of dangerous strains of disease organisms represents a significant consequence of which of the following agricultural practices? | back 15 Incorporating antibiotics into the feeding regimens of densely concentrated livestock |
front 16 Compared with people in developing countries, people in industrialized countries are more likely to eat | back 16 beef |
front 17 Which of the following best explains why the maximum sustainable yield for ocean fisheries has been exceeded? | back 17 Too many fish of reproductive age are harvested. |
front 18 The major cause for the decline in the worldwide catch of fish since 1990 is | back 18 overfishing |
front 19 Which of the following is an environmental problem associated with abandoned coal mines? | back 19 Acid drainage due to leaching of spoil heaps by rainwater |
front 20 A cost-benefit analysis done to investigate a proposed mine site would likely take which of the following into account? I. The medical costs of mine worker injuries II. The cost of environmental restoration of the site when it is shut down III. The value of the ore to be extracted from the mine | back 20 I, II, and III |
front 21 One way a local community might regulate a shared and limited resource and reduce the tragedy of the commons is to | back 21 divide the resources into parcels and assign them to individuals |
front 22 Which of the following scenarios best explains the concept of the tragedy of the commons? | back 22 Fish are shared resources, and as the fishing industry competes for the fish, the resource extraction is no longer sustainable. |
front 23 One example of the tragedy of the commons occurs when trees are harvested from tropical rain forests without any regulations. Which of the following best describes why this is an example of the tragedy of the commons? | back 23 Timber producers remove as much timber as possible as cheaply as possible. |
front 24 Which of the following changes to the local hydrologic cycle will result if large areas of land experienced clear-cutting? | back 24 Evaporation of water from the soil will increase. |
front 25 Industrial logging threatens many forested ecosystems. Which of the following environmental consequences will most likely result from clear-cutting deciduous forests for logging? | back 25 More carbon dioxide will be added to the atmosphere and increase anthropogenic climate change. |
front 26 Which of the following statements best describes the most unsustainable method of clear-cutting forests to harvest timber? | back 26 All of the trees in a forest are cut down and removed in one operation. |
front 27 Which of the following statements best identifies the author’s assumptions in terms of a new green revolution? | back 27 Current agricultural practices and strategies need to be evaluated in order to meet the demand for increased food production. |
front 28 Which of the following statements best identifies the author’s perspective in terms of government funding for future agricultural research? | back 28 More funding is continually needed because the agricultural research programs have never been completely financially supported. |
front 29 Which of the following statements best identifies the author’s perspective in terms of utilizing science technology for future agricultural advances? | back 29 The only way to meet the global demand for more food is to fully utilize new science technologies to advance agriculture. |
front 30 An advantage of using synthetic fertilizer instead of organic fertilizer is that | back 30 synthetic fertilizer can provide more targeted macronutrients to the crops |
front 31 Which of the following is the most likely result from clearing mature, forested land and converting it into agricultural land that would be used for cattle grazing? | back 31 There will be a reduction in the uptake of atmospheric carbon dioxide. |
front 32 A major environmental problem caused by using the agricultural practice of tilling is | back 32 eutrophication from excessive fertilizer use |
front 33 Farmers use various methods of irrigation on crops. Which of the following statements correctly pairs an irrigation method with an advantage or disadvantage? | back 33 Flood irrigation is often used in agricultural fields, however, it increases surface erosion and salinization of the soil. |
front 34 Which of the following irrigation methods is most likely to result in salinization of the soil, especially if the agricultural fields are located in a warm climate with consistent sunlight? | back 34 Furrow irrigation |
front 35 A farmer grows several crops on a farm that has mostly shallow, sandy soil. Which of the following irrigation methods would be the best suited for this farm? | back 35 Drip irrigation |
front 36 Carbon dioxide equivalent ( CO2 | back 36 Raising beef contributes more to greenhouse gases than raising chickens does, primarily as a result of fermentation in cows’ digestive tracts, which releases methane gas. |
front 37 Based on the data provided, which of the following descriptions best identifies the types of farms that are being compared? | back 37 Farm A is a grass-fed pasture for beef production, whereas Farm B is a traditional concentrated animal feedlot for cattle. |
front 38 Which of the following claims is best supported by the data in the graph? | back 38 Global meat consumption per capita will increase in all five countries between 2012 and 2022 as the countries move through the demographic transition and become more developed. |
front 39 Which of the following best describes legislation that could be used to address problems with overfishing? | back 39 The Convention on International Trade in Endangered Species of Wild Fauna and Flora ( CITES ) uses trade rules to protect commercially valuable species. |
front 40 One way that consumers can help prevent a decrease in the number of fish species that are experiencing population declines is to | back 40 eat fish that are caught using sustainable harvesting methods, therefore ensuring fish populations remain stable and reducing the amount bycatch harvested |
front 41 Which of the following is the best example of an economic approach to reduce overfishing for a fish species with a declining population? | back 41 The federal government sets a catch limit (per person or per boat) for the species and imposes a tax on any extra fish that are caught. |