NUR426 Exam 1: NUR426 Exam 1 Study Guide: Questions &
Answers
Due to their complexity, any given response to an environmental problem involves significant_____ and
no ones response is likely to present an ultimate solution? - ANSWER:Trade offs
The first step of the scientific process is an? - ANSWER:Observation
A ____ is a hypothesis that has been widely accepted and extensively and rigorously tested? -
ANSWER:Theory
A ____ for a country is the amount of land needed to provide its resources and assimilate its waste? -
ANSWER:Ecological footprint
A country with a growing population will have a ____ age structure diagram, while a country with a
shrinking population will have a ___ age structure diagram? - ANSWER:Not sure about this one maybe
bottom heavy, top heavy
what three factors are multiplied in the IPAT model to gauge a populations ecological footprint? -
ANSWER:Population, affluence, technology
Why is the production of some ecosystem services considered priceless? - ANSWER:There are currently
no substitutes for these services
ecological concerns regarding plastics in oceans include which of the following? - ANSWER:All of the
above
why is there no such thing as waste in natural, non-human ecosystems? - ANSWER:The discarded matter
of one organism becomes the resource of another
Which of the following describes an environment? - ANSWER:all of the above
a soup company wants to reduce the waste associated with its soup packaging, which could accomplish
this goal? - ANSWER:package soup in reusable glass containers
One of the limitations of mainstream economics is that does not take into account _____ costs when a
price is assigned to a product or service - ANSWER:External
Sanitary landfills are commonly used in the US to manage solid waste. Since decomposition in sanitary
landfills relies upon anaerobic bacteria (those that live in oxygen-poor environments) a large amount of
the greenhouse gas___ is produced - ANSWER:Methane
Which is TRUE regarding the following statements?
"Higher levels of greenhouse gases cause increased warming of the troposphere."
"People who are good go to heaven when they die." - ANSWER:only statement (1) is a scientific
hypothesis testable by scientific methods
, which of the following is NOT a good predictor of population growth in a county? - ANSWER:land mass
An essential ecological process that makes life on Earth possible is called ____ - ANSWER:ecosystem
services
Carefully weighing the risks and benefits associated with any chemical is known as___ - ANSWER:Risk
assessment
During the peer-review process, what criteria do reviewers look for in papers to determine if the papers
will be accepted or rejected? - ANSWER:All of the above
When e-waste is improperly recycled, toxic metals can be released; this can include _________. -
ANSWER:All of the above
Which human activity has not influenced the prevalence and seriousness of health hazards? -
ANSWER:Not sure about this one
Ocean tuna eat smaller fish that consume material containing mercury. Mercury is a persistent toxin that
builds up in higher amounts in the bodies of fish. The mercury in the smaller fish accumulates in the
ocean tuna in higher amounts. When we consume tuna, the mercury in the tuna can accumulate in our
bodies in higher amounts. This phenomenon is called _________. - ANSWER:Bio magnification
What does it mean when an environmental issue is a wicked problem? - ANSWER:Involves trade offs that
not everyone will be happy with
As a country progresses from the preindustrial stage to the postindustrial stage, what will happen to the
birth rate and death rate? - ANSWER:Either birth rate decrease, death rate decrease OR birth rate
decrease, death rate increase
The percentage increase of a population size over time is known as its ________. - ANSWER:Growth Rate
Why is knowledge about the persistence of a chemical important when considering its toxicity? -
ANSWER:Measures how long a chemical remains in its present state
Which of the following is characteristic of a sustainable ecosystem? - ANSWER:all of the above
Individuals of a population that are spread out irregularly over their environment with no discernable
pattern are referred to as living in a _____________ distribution - ANSWER:Random
The specific role a species plays in its community is its ___________. - ANSWER:Niche
A bait shop wants to sell leeches and performs an experiment to determine the water temperature
range of tolerance for them. Which choice best represents this range based on the data shown in the
graph below? - ANSWER:5 to 20
Denitrifying bacteria convert nitrate into ________, thus returning nitrogen to _________. -
ANSWER:Nitrogen gas, the atmosphere
Which of the following is NOT a characteristic of r-selected species? - ANSWER:Long Life
Which choice represents the correct hierarchy of organization from largest to smallest? -
ANSWER:biosphere → biome → ecosystem → community → population → individual
Answers
Due to their complexity, any given response to an environmental problem involves significant_____ and
no ones response is likely to present an ultimate solution? - ANSWER:Trade offs
The first step of the scientific process is an? - ANSWER:Observation
A ____ is a hypothesis that has been widely accepted and extensively and rigorously tested? -
ANSWER:Theory
A ____ for a country is the amount of land needed to provide its resources and assimilate its waste? -
ANSWER:Ecological footprint
A country with a growing population will have a ____ age structure diagram, while a country with a
shrinking population will have a ___ age structure diagram? - ANSWER:Not sure about this one maybe
bottom heavy, top heavy
what three factors are multiplied in the IPAT model to gauge a populations ecological footprint? -
ANSWER:Population, affluence, technology
Why is the production of some ecosystem services considered priceless? - ANSWER:There are currently
no substitutes for these services
ecological concerns regarding plastics in oceans include which of the following? - ANSWER:All of the
above
why is there no such thing as waste in natural, non-human ecosystems? - ANSWER:The discarded matter
of one organism becomes the resource of another
Which of the following describes an environment? - ANSWER:all of the above
a soup company wants to reduce the waste associated with its soup packaging, which could accomplish
this goal? - ANSWER:package soup in reusable glass containers
One of the limitations of mainstream economics is that does not take into account _____ costs when a
price is assigned to a product or service - ANSWER:External
Sanitary landfills are commonly used in the US to manage solid waste. Since decomposition in sanitary
landfills relies upon anaerobic bacteria (those that live in oxygen-poor environments) a large amount of
the greenhouse gas___ is produced - ANSWER:Methane
Which is TRUE regarding the following statements?
"Higher levels of greenhouse gases cause increased warming of the troposphere."
"People who are good go to heaven when they die." - ANSWER:only statement (1) is a scientific
hypothesis testable by scientific methods
, which of the following is NOT a good predictor of population growth in a county? - ANSWER:land mass
An essential ecological process that makes life on Earth possible is called ____ - ANSWER:ecosystem
services
Carefully weighing the risks and benefits associated with any chemical is known as___ - ANSWER:Risk
assessment
During the peer-review process, what criteria do reviewers look for in papers to determine if the papers
will be accepted or rejected? - ANSWER:All of the above
When e-waste is improperly recycled, toxic metals can be released; this can include _________. -
ANSWER:All of the above
Which human activity has not influenced the prevalence and seriousness of health hazards? -
ANSWER:Not sure about this one
Ocean tuna eat smaller fish that consume material containing mercury. Mercury is a persistent toxin that
builds up in higher amounts in the bodies of fish. The mercury in the smaller fish accumulates in the
ocean tuna in higher amounts. When we consume tuna, the mercury in the tuna can accumulate in our
bodies in higher amounts. This phenomenon is called _________. - ANSWER:Bio magnification
What does it mean when an environmental issue is a wicked problem? - ANSWER:Involves trade offs that
not everyone will be happy with
As a country progresses from the preindustrial stage to the postindustrial stage, what will happen to the
birth rate and death rate? - ANSWER:Either birth rate decrease, death rate decrease OR birth rate
decrease, death rate increase
The percentage increase of a population size over time is known as its ________. - ANSWER:Growth Rate
Why is knowledge about the persistence of a chemical important when considering its toxicity? -
ANSWER:Measures how long a chemical remains in its present state
Which of the following is characteristic of a sustainable ecosystem? - ANSWER:all of the above
Individuals of a population that are spread out irregularly over their environment with no discernable
pattern are referred to as living in a _____________ distribution - ANSWER:Random
The specific role a species plays in its community is its ___________. - ANSWER:Niche
A bait shop wants to sell leeches and performs an experiment to determine the water temperature
range of tolerance for them. Which choice best represents this range based on the data shown in the
graph below? - ANSWER:5 to 20
Denitrifying bacteria convert nitrate into ________, thus returning nitrogen to _________. -
ANSWER:Nitrogen gas, the atmosphere
Which of the following is NOT a characteristic of r-selected species? - ANSWER:Long Life
Which choice represents the correct hierarchy of organization from largest to smallest? -
ANSWER:biosphere → biome → ecosystem → community → population → individual
