Natural Resource Management
Pre-Test Questions
Course Introduction
Natural Resource Management focuses on the sustainable use and conservation of Earths natural resources, including land, water, soil, plants, and animals. The course explores the principles and practices for balancing human needs with environmental protection, addressing key topics such as resource assessment, ecosystem services, policy frameworks, stakeholder engagement, and the impact of human activity on natural systems. Students learn interdisciplinary approaches to managing resources responsibly, considering ecological, social, and economic perspectives to develop strategies for maintaining the health and productivity of natural environments for current and future generations.
Recommended Textbook
Scientific American Environmental Science For A Changing World 3rd Edition by Susan
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Page 2
Karr
Chapter 1: environmental Literacy and Sustainability
Lessons From a Vanished Society
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Sample Questions
Q1) Unlike the Icelandic Vikings or Inuit,the Greenland Viking society was not sustainable.Describe what we know about their collapse.
Answer: From ice cores,we know the climate cooled due to natural causes,and this made life difficult for the population in terms of growing food and raising livestock.In terms of self-inflicted environmental damage,evidence from mud cores indicates that soil erosion was a significant problem.This was due to overgrazing livestock (cows); using grassland to insulate Viking homes; and cutting down forests for fuel,homes,and other wooden products.These impacts on the environment were particularly severe because the environment was sensitive to begin with.As the population swelled to several thousand,the environment could no longer support the population and it crashed.
Q2) In biomimicry,scientists use nature as a model,_____,and measure.
A)map
B)method
C)control
D)mentor
E)mean
Answer: D
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Chapter 2: Science Literacy and the Process of Science
Fungal Attacker Threatens North American Bats
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Q1) What is TRUE regarding the following statements? (1)"Higher levels of greenhouse gases cause increased warming of the troposphere." (2)"People who are good go to heaven when they die."
A)Both statements are obviously wrong.
B)Both statements have been proven true by long-standing scientific theories.
C)Only statement (1)is a scientific hypothesis testable by scientific methods.
D)Only statement (2)can generate falsifiable predictions.
E)Neither statement is suitable for science.
Answer: C
Q2) Refer to Infographic 4.Which study depicted in the infographic provides stronger support for the stated hypothesis? Briefly explain why.
Answer: By manipulating the independent variable (infection status),the experimental study (Warnecke et al.)provides stronger support because it allows researchers to compare the response in the test group to the control group that was not exposed.
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Chapter 3: Information Literacy and Toxicology Lead in the Water
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Sample Questions
Q1) What is information literacy,and why is it important in cases like that of BPA?
Answer: Information literacy is the ability to distinguish between reliable and unreliable sources.It is the ability to find and evaluate the quality of information in order to be able to then draw reasonable,evidence-based conclusions about an issue or topic.It is especially important in the case of BPA,where misinformation or biased reports can create panic (or false security)in the public who are concerned about the effects of BPA,particularly in products for babies.
Q2) Describe what it means to be a critical thinker.List four measures that should be included in a critical thinker's skill set.
Answer: Critical thinkers have skills that enable them to logically assess the information they find,reflect on that information,and reach their own conclusions.The relevant skills include being skeptical,evaluating the evidence,being open minded,and watching out for biases.
Q3) When both lead and arsenic are given to mice,dopamine decreases by ______.
A)40%
B)20%
C)25%
D)17%
Answer: C
Page 5
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Chapter 4: Ecosystems and Nutrient Cycling Engineering
Earth
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Q1) What is a biome? What are the major factors that distinguish one biome from another?
Q2) Which type of scientist best matches the area he or she would study?
A)botanist-various ecosystems within a tundra biome
B)ecologist-individual animals or plants
C)zoologist-plant community in a tropical rainforest
D)ecologist-ecosystems and the interactions between organisms and their surroundings
Q3) If matter and energy in ecosystems on Plant Y function the same as they do on Earth,which of the following would be true?
A)Matter cycles through the biosphere,and energy can enter and leave the planet.
B)Matter can enter and leave the planet,and energy can cycle through the biosphere.
C)Matter and energy can both cycle through the biosphere.
D)Matter and energy can both enter and leave the planet.
Q4) If no new matter enters the system,how can Earth continue to exist?
Q5) How have humans impacted the carbon cycle,and how can humans use nature to address this issue?
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Chapter 5: Population Ecology Gray Wolves Return to Yellowstone
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Q1) A predator is an example of a(n)_____________.
A)density-dependent factor
B)density-independent factor
C)commensalism
D)mutualism
E)herbivore
Q2) The minimum viable population is the _____________.
A)smallest number of individuals that allows the population to survive long term
B)smallest number of populations required to make up an ecosystem
C)same number of individuals for each population
D)smallest area required for a mating ritual
E)smallest flock size that would protect against predators
Q3) Why is it difficult to determine whether a population's size is more affected by top-down or bottom-up regulation?
Q4) Which of the following is true of r-selected species?
A)They usually give high parental care to their offspring.
B)They can live in unpredictable or seasonally changing environments.
C)They are slow to respond to environmental changes.
D)Their population size tends to be stable.
E)They have long life spans.
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Chapter 6: Community Ecology the Florida Everglades: a
Community in Cris
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Q1) Organisms living in an ecosystem that are particularly sensitive to changes in that ecosystem are known as________________.
A)keystone species
B)indicator species
C)consumers
D)producers
E)none of these choices are correct
Q2) Trees whose seeds can grow under low-light conditions would most likely be found ________________.
A)early in primary succession
B)late in primary succession
C)early in secondary succession
D)late in secondary succession
Q3) The red-cockaded woodpecker is an endangered species with highly specific niche requirements.They prefer longleaf pine forests in the southeast with open understories and few to no deciduous trees.Longleaf pines are a fire-adapted species,and periodic natural wildfires would kill other trees and select for open,longleaf pine forests.How would knowledge of ecological succession help you conserve red-cockaded woodpeckers?
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Chapter 7: evolution and Extinction a Tropical Murder
Mystery
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Sample Questions
Q1) If some members of a bird population had been able to escape Guam and colonize another island,which genetic concept would likely have happened?
A)genetic drift
B)the founder effect
C)speciation
D)the bottleneck effect
E)genetic recombination
Q2) In a coral reef,small fish can hide from predators in the corals.Large fish are fast and can evade predators with speed.Medium fish cannot fit in the coral and are not as fast as the large fish.In evolutionary terms,what would you expect to see in the population over time?
A)The large fish would be selected against.
B)Only the medium fish would survive.
C)The small fish would be less likely to survive.
D)The medium fish would be less likely to survive.
E)The small fish would be selected against.
Q3) What are four observations that natural selection is based on?
Q4) Why is the sixth mass extinction event different from previous mass extinction events,and why is it so important?
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Chapter 8: Biodiversity Palm Oil Plantations Threaten
Tropical Forests
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Q1) What are some ways that you can protect biodiversity?
Q2) What are ecosystem services?
A)a system of trade for nature products
B)nonessential processes of nature
C)life-supporting ecological processes
D)services that are valuable only to humans
E)all life-supporting processes that do not garner a monetary benefit for humans
Q3) What percentage of palm oil comes from plantations in Southeast Asia?
A)10
B)25
C)50
D)75
E)95%
Q4) What is the estimated monetary value of annual ecosystem services the Earth provides?
A)$1 billion
B)$16 billion
C)$120 billion
D)$122 billion
E)$125 trillion
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Chapter 9: Preserving Biodiversity a Forest Without Elephants
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Q1) Conservation genetics is useful to determine ___________.
A)whether two populations are distinct species or the same species
B)the amount of genetic diversity in a population
C)from which region of a country a contraband animal product is from
D)whether one population is part of an endangered species
E)All of these answer choices are correct.
Q2) What is ecotourism?
A)low-impact travel to natural areas that contributes to the protection of the environment
B)where travelers go to different ecosystems around the globe
C)the ability of a tourist to purchase a small plot of land in a protected reserve
D)the financial gain that a community makes through the sale of their contraband animal products to tourists
E)virtual travel where the tourist does not impact the environment
Q3) Why would efforts to reduce armed conflict in many communities aid the preservation of endangered species?
Q4) Why do you think single-species conservation efforts have focused on cute and cuddly endangered species? What are the pros and cons to such an approach?
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Chapter 10: Human Populations the Kerala Model
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Sample Questions
Q1) As a country's economy changes from preindustrial to postindustrial,low birth and death rates replace high birth and death rates.This phenomenon is known as
A)replacement fertility rate
B)demographic transition
C)zero population growth
D)total fertility rate
E)population densities
Q2) Which of the following social justice issues influence desired fertility and total fertility rates?
A)education for women
B)access to health care
C)land reform for women to own property
D)access to birth control
E)All of these answer choices influence fertility.
Q3) A less developed country with high infant mortality and extensive poverty has a total fertility rate (TFR)of 5.7.Very few women receive a secondary education,and most do not work outside the home.What pronatalist pressures can you identify? What strategies can you propose to successfully lower TFR in this country?
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Chapter 11: Urbanization and Sustainable Communities
Creating Green Cities
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Q1) The phenomenon of the spread of low population-density development across the landscape is referred to as________________.
A)urban flight
B)suburban sprawl
C)zoning
D)infill development
E)new urbanism
Q2) All of the following are true about urban areas when compared with rural areas EXCEPT___________________.
A)they have higher population densities
B)there is less personal vehicle travel
C)the homes are smaller
D)they have a lower carbon footprint
E)None of these answers is correct.
Q3) What is zoning?
A)the classification of areas for different types of development and land use
B)the practice of promoting urbanization in rural areas
C)the professional pursuit of designing efficient cities
D)the establishment of public parks and gardens in urban centers
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E)areas that allow animals to travel between islands of protected habitat
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Chapter 12: Environmental Health Eradicating a Parasitic Nightmare
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Q1) What might be some reasons diarrheal disease is not one of the top 10 causes of death in high-income countries?
Q2) Which of the following is NOT a way public health programs work to improve the health of human populations?
A)provide information and health care advice to communities
B)provide needed preventative medical care and treatment
C)make recommendation to improve health in specific groups and the population as a whole
D)analyze statistics related to a person's health to determine risk for various population groups
E)All of these answers are correct.
Q3) Zoonotic diseases are impacted by ___________.
A)bushmeat trade
B)environmental changes
C)human encroachment into wild areas
D)climate change
E)All of these answers are correct.
Q4) What do you think has had the greatest impact on eradicating Guinea worm disease?
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Chapter 13: ecological Economics and Consumption Wall
to Wall, Cradle to Cradle
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Q1) The two schools of economic thought that consider the environment when making economic decisions are __________ and _____________.
A)deep ecology; Western
B)environmental; ecological
C)Western; environmental
D)deep ecology; environmental
E)Western; ecological
Q2) Today,if we were to purchase a good or service at its true cost,how would the price compare to what we are accustomed to paying for the good or service?
A)The price would be lower.
B)The price would be higher.
C)The price would stay the same.
D)The price would decrease exponentially.
E)We cannot predict how the price would change.
Q3) An item most likely to be a part of a circular system would be _________.
A)a computer
B)coal
C)natural gas
D)an aluminum can
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Chapter 14: environmental Policy the World Tackles Ozone
Depletion
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Sample Questions
Q1) Why is the term "ozone hole" misleading?
Q2) How do political lobbyists influence the policy making process?
A)Lobbyists review sound science and use the results to propose policy.
B)Lobbyists contact elected officials in support of a particular position.
C)Lobbyists only work for industry corporations to support bills that will benefit the corporations.
D)Lobbyists only support regulation of toxic substances to help the environment.
E)Lobbyists for the chemical industry govern the decisions of the EPA.
Q3) Excess nitrogen fertilizer runs off Midwestern farmland into waterways that lead to the Gulf of Mexico,where the result is a "dead zone" of low oxygen levels.This impacts the ecosystem there and presents a significant economic hardship to the shrimping industry.What level of policy might be needed to address this problem? What existing federal law could be applied?
Q4) Which of the following statements is TRUE of CFCs?
A)A CFC is an industrial chemical that was once used as a refrigerant.
B)A CFC is a type of ultraviolet radiation between UV-A and UV-B.
C)CFCs are used to cook food at the McMurdo research station.
D)CFCs react with water to generate ozone.
E)Both B and C are true.
Q5) Explain the role of the Environmental Protection Agency (EPA).
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Chapter 15: managing Solid Waste a Plastic Surf
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Q1) Composting kitchen and yard waste is an example of ____________.
A)refusing
B)reducing
C)reusing
D)recycling
E)demanufacturing
Q2) Which of the following statements about waste is TRUE?
A)Waste is found in natural ecosystems.
B)Synthetic molecules such as DDT and CFCs are easily biodegradable.
C)Most plastic waste degrades quickly in any environment.
D)Humans use matter in a linear manner.
E)The best way to keep garbage out of the ocean is to throw it away somewhere else.
Q3) Everyday garbage or trash (solid waste)produced by individuals or small businesses is known as ____________.
A)municipal solid waste
B)industrial solid waste
C)hazardous waste
D)biodegradable
E)sanitary
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Chapter 16: Freshwater Resources Toilet to Tap
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Q1) Why is deforestation a problem in regard to the Earth's freshwater supply?
Q2) You are asked to talk to a school group about the importance of water conservation.Which of the following would not be a conservation method you could talk about?
A)Farmers using irrigation methods to limit loss to evaporation and runoff.
B)Choosing to plant crops more suited to the environment they are growing in.
C)Reducing use of our resources and being aware of our consumer choices.
D)All of these answer choices are ways in which we can conserve water.
Q3) What is the most likely reason that more communities do not use the potable water stored in confined aquifers?
A)It is usually contaminated with salt water.
B)It is impossible to access.
C)Bacteria are not filtered out of this water.
D)It is too expensive to reach and pump out.
E)Most aquifers are unconfined.
Q4) One of the ways wastewater in Orange County is treated is by using reverse osmosis,UV light,and hydrogen peroxide.What does each process do in the treatment of wastewater?
Q5) How might global warming and climate change affect water scarcity in the future?
Q6) What are some potential impacts of global warming on aquifers?
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Chapter 17: Water Pollution Suffocating the Gulf
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Q1) Where have dead zones been found?
A)Gulf of Mexico
B)Pacific coast region
C)Great Lakes
D)Atlantic coast
E)Dead zones have been found in all of these locations.
Q2) In their efforts to address hypoxia in the Gulf of Mexico,the Gulf Task Force's recommendations consider _________.
A)social impacts
B)economic realities
C)environmental needs
D)all of the above
E)none of the above
Q3) What was the dramatic event which helped spur passage of the 1972 Clean Water Act?
A)an oil spill in the ocean
B)the dead zone in the Gulf of Mexico
C)the Cuyahoga River caught fire
D)toxic chemicals were released into the Mississippi River
E)people were becoming sick from drinking water
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Chapter 18: marine Ecosystems Ocean Acidification: the
Other Co2 Problem
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Q1) Coral reefs are limited to shallow water,and there is a concern that rising sea levels will affect the reefs.This is because ______________.
A)they require the lower salinity found in shallow waters
B)there are more nutrients found in shallow water
C)their symbiotic zooxanthellae require light to survive
D)they require coastal upwellings of CO<sub>2</sub> in order to survive
E)it is too difficult for them to build reefs in deeper water
Q2) In 2006,commercial fishing was prohibited in the marine protected area of the South Pacific coral reefs of the Republic of Kirbati's Kanton Island.What was the effect of this?
A)Fishermen lost their jobs and went bankrupt.
B)The fish in the reef died off anyway.
C)The reef began to recover from a bleaching event.
D)The corals were stressed further and more of them died.
E)Algae began growing on the corals and took over the area.
Q3) You would expect to find barnacles,starfish,and mussels in which ocean zone?
A)abyssal
B)hadal
C)bathypelagic
D)intertidal
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Chapter 19: Forests Returning Trees to Haiti
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Q1) Haiti's ____________ trade grew to account for 20% of the rural economy and 80% of the country's energy supply.
A)charcoal
B)fossil fuels
C)lumber
D)fuel wood
E)solar energy
Q2) Deforestation in less-developed countries can best be described as ___________________.
A)a vicious cycle that results in even further environmental degradation,poverty,and other social issues
B)a problem caused by lack of education among poor people
C)the result of developed nations' dependence on charcoal
D)the only cost-effective way developing nations can meet their energy needs
E)an unsolvable problem
Q3) Many developing countries are removing their forests at an alarming rate.What can be done to slow the rate at which developing countries are harvesting their forests?
Q4) Why might forest management be considered a "wicked problem"?
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Chapter 20: soil Resources and Grasslands Restoring the Range
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Q1) Jill wants to do something to help prevent soil erosion on the ranch.You recommend a(n)__________________.
A)adaptive management program
B)conservation easement
C)conservation reserve program
D)shelterbelt
Q2) Which two layers are involved in the formation of soil?
A)A and O
B)B and C
C)C and O
D)A and C
Q3) What happens when lands are undergrazed?
A)Grasses grow wild and take over the area.
B)There is plenty of grass for all the cattle to eat,and they grow healthier over time.
C)Weeds grow wild,and there is less cattle feed over time.
D)There is no effect to the land if it is undergrazed.
E)Desertification occurs in the area.
Q4) What is the purpose of the Conservation Reserve Program,and what are some of the controversies surrounding it?
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Chapter 21: Mineral Resources No Stone Unturned
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Q1) Weathering and erosion in combination form which of the following?
A)igneous rock
B)metamorphic rock
C)soil
D)sediment
E)mineral ores
Q2) Which type of rock forms where magma emerges and cools at a plate boundary?
A)igneous
B)metamorphic
C)sedimentary
D)igneous,metamorphic,and sedimentary
E)both igneous and metamorphic
Q3) Use of mercury to extract metals like gold and silver is a problem because mercury
A)can pollute areas around and downstream of mines
B)acidifies water in drainage areas
C)produces long-lasting radioactive waste
D)itself is nonrenewable
E)All of these answers are correct.
Q4) Describe how geologists help determine the location of mineral deposits.
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Chapter 22: Feeding the World a Gene Revolution
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Q1) What caused the lack of food and resulting riots in 2008 in Burkina Faso?
A)extreme weather events
B)rising cost of oil
C)growing demand for meat
D)increased production of biofuels
E)All of these answers likely contributed,with other factors as well.
Q2) Giant ragweed and pigweed are examples of super weeds.These weeds have acquired the gene for _______,which makes them tolerant to all herbicides.
A)Wt
B)Bt
C)Ct
D)Ht
E)Pt
Q3) What are obesity and type 2 diabetes typically the result of?
A)food insecurity
B)kwashiorkor
C)vitamin deficiencies
D)wasting
E)malnutrition
Q4) Why is the decreased biodiversity of high-yield varieties of crops a concern?
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Chapter 23: sustainable Agriculture: Raising Crops Farming
Like an Ecosystem
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Q1) Which kind of pest management system falls more in line with the methods of sustainable farming?
A)cultural
B)mechanical
C)biological
D)chemical
E)Cultural,mechanical,and biological are all pest control methods used in sustainable farming.
Q2) In monoculture,the crops grown are usually _______.
A)a mix of plants
B)different each season
C)self-fertilizing
D)drought tolerant
E)the same single crop every year
Q3) Soil salinization occurs when _______.
A)salt is added to the soil as a natural insecticide
B)too much fertilizer is used in one area
C)animals are introduced to the fields
D)water brought to the fields through irrigation evaporates
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E)not enough variety of crops are planted in one area
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Chapter 24: Agriculture: Raising Livestock Can Meat Be Part of a
Healthy, Environmentally Conscious Diet
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Q1) According to most health experts,meat and dairy products are valuable sources of
A)carbohydrates
B)nucleic acids
C)triglycerides
D)proteins
E)starches
Q2) How much of the corn produced in the United States is used as animal feed?
A)15%
B)25%
C)55%
D)60%
E)75%
Q3) Do sustainable animal rearing methods address the disadvantages of CAFOs?
Q4) Overconsumption of meat has been associated with which of the following?
A)diabetes
B)some cancers
C)cardiovascular disease
D)diabetes,some cancers,and cardiovascular disease
E)both diabetes and cardiovascular disease
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Chapter 25: Fisheries and Aquaculture Fish in a Warehouse
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Q1) The collapse of fish populations is caused by many different factors.Which of the following technological advances aided in this collapse?
A)steam engines
B)flash freezing
C)trawler ships
D)huge nets
E)all of these answers
Q2) How can recirculating aquaculture systems (RAS)address the environmental challenges posed by net pen and open pond aquaculture? What constrains RAS,given all these advantages?
Q3) In Frenchman Bay,Maine,the objective of David Alves' program is to "turn fishers into fish farmers." What does this mean,and why does he call this the "future of fishing"?
Q4) The Marine Stewardship Council defines a sustainable fishery as one that ensures that __________________.
A)fish stocks are maintained at healthy levels
B)the ecosystem is fully functional
C)fishing activity does not threaten biological diversity
D)All of these answers are correct.
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Chapter 26: coal Bringing Down the Mountain
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Q1) Fly ash can be taken to a landfill that is expensive and not environmentally friendly,or it can be used to make _____________,which benefits both the power plant and the environment.
A)tar paper
B)shingles
C)sandpaper
D)concrete
E)glass
Q2) Even though coal is produced by natural processes of the Earth,why is it classified as a nonrenewable resource?
Q3) In 2015,burning coal generated approximately ____ of electricity worldwide.
A)30%
B)40%
C)50%
D)60%
E)70%
Q4) What are the different types of pollution created in burning coal to generate electricity?
Q5) Discuss how mountaintop removal can affect stream quality.
Q6) What are the benefits of using coal as an energy source?
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Chapter 27: Oil and Natural Gas the Bakken Oil Boom
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Sample Questions
Q1) How much more oil does North America produce than natural gas?
A)13%
B)6%
C)19%
D)7%
Q2) Which of the following is probably the MOST compelling reason to use unconventional sources of oil and natural gas in the United States?
A)There are a lot of them in North America.
B)They are easier to extract than conventional sources.
C)They are cleaner to burn than conventional sources.
D)Their extraction process is more environmentally friendly than conventional extraction.
E)They have a higher EROEI than conventional sources.
Q3) How much additional oil can be recovered during secondary production?
A)20% to 40%
B)15%
C)55%
D)75%
E)100%
Q4) Explain how oil is extracted from Canadian tar sands.
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Chapter 28: Air Pollution the Youngest Scientists
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Sample Questions
Q1) A study conducted by Brown University found a person's risk for developing cancer from exposure to polluted air ______ as income _________.
A)increased; increased B)increased; decreased C)decreased; increased D)decreased; decreased E)stayed the same; increased
Q2) The particulate matter concentration in the air in St.Louis,Missouri,during 1990-1998 was between ____________.
A)10 and 15 µg/m<sup>3</sup>
B)15 and 20 µg/m<sup>3</sup>
C)20 and 25 µg/m<sup>3</sup>
D)25 and 30 µg/m<sup>3</sup>
Q3) For most people in developed countries,the greatest exposure to air pollution comes from being indoors,where structures tend to trap pollutants,keeping concentrations high.How can exposure to these indoor pollutants be reduced?
Q4) Compare and contrast the health risks associated with indoor air pollution in developed versus developing countries.
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Chapter 29: global Climate Change Climate Refugees
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Q1) The upper limit on the number of people that will be forced to leave their homes because of climate change is 1 in every ___ people on Earth.
A)20
B)50
C)100
D)1,000
E)5,000
Q2) What method of measuring atmospheric CO<sub>2</sub> levels gives data related to what past atmosphere CO<sub>2</sub> levels were?
A)local air measurement
B)water sampling
C)measurements taken from gas bubbles trapped in the ice
D)temperature correlation
E)all of these answers
Q3) How would applying the precautionary principle now to carbon dioxide emissions help to avoid,or at least lessen,some of the more serious outcomes of a changing global climate?
Q4) How is a positive feedback loop different from a negative feedback loop? Provide an example of each.
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Chapter 30: Nuclear Power the Future of Fukushima
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Q1) The first major nuclear accident was at ___________.
A)Chernobyl
B)Three Mile Island
C)Fukushima
D)Palo
E)There have been no major nuclear power plant accidents.
Q2) Explain the process involved in producing energy in a fission reactor,starting with U-235 and ending with the production of electricity.Be sure to mention the words "fuel rods" and "control rods."
Q3) Why is U-235 used more in nuclear reactors than U-238 is?
A)U-235 is more abundant.
B)U-235 is cheaper to mine.
C)U-235 is more reactive.
D)U-235 has fewer externalities.
E)U-235 produces less harmful radiation.
Q4) Which of the following could be composed of 92 protons and 146 neutrons?
A)uranium-235
B)uranium-238
C)plutonium-241
D)plutonimum-236
Page 32
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Chapter 31: Sun, Wind, Water, and Earth Energy Fueled by the Sun
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Q1) Why does a run-of-the-river hydroelectric system have less impact on aquatic systems than a giant dam?
Q2) The president is very impressed with your presentation and wants to convert the campus into an energy positive campus.You tell him this will require
A)true cost pricing
B)diversification of renewable energy sources
C)energy storage methods
D)a smart grid
E)all of the above
Q3) Which energy sources will see the biggest increases as costs decline for the technologies?
A)wind and hydropower
B)wind and solar
C)solar and geothermal
D)solar and hydropower
E)hydropower and geothermal
Q4) What are the differences between active solar approaches and passive solar approaches?
Q5) How is electricity produced in a dry steam geothermal power plant?
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Chapter 32: Biofuels Gas From Grass
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Q1) To your surprise,you discover algae can be used to make biofuel.You tell your friend a major advantage of this is _______.
A)it can easily be harvested on a large scale
B)algae is small,so it won't take up much space
C)cultivation won't compete with food crops
D)it can be made cheaply
Q2) In your research on biofuels,you discover biofuels can be made from cellulosic crops.This means _______.
A)high-sugar crops like corn are used to make the fuel
B)fields planted in a monoculture yield more production for a fuel source
C)using plants such as grasses,which are more difficult to break down,for the fuel
D)the plants used for fuel are not useful as crops
Q3) What are biofuels,and what are potential biofuel sources?
Q4) Choose the form of biomass that is easiest to ferment into bioethanol.
A)switchgrass
B)crop waste
C)corn
D)forestry waste
E)manure
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