Environmental Science – Final Review – Flashcards
Unlock all answers in this set
Unlock answersquestion
An area of land in which there is little or no human development is referred to as a
answer
Wilderness
question
Environmental science is an interdisciplinary are of study that deals with all of the following EXCEPT
answer
None of the above: Politics / Economics / Ethics
question
An ecosystem approach
answer
Would include the study of how humans interact with the natural world
question
All are changes in Yellowstone's ecosystem after wolves were introduced EXCEPT
answer
An increase in coyote population What did occur: an increase in willow and aspen stands / a reduction in elk populations / and an increase in beaver populations
question
The result of the 1997 Kyoto Summit was an international commitment to
answer
Reduce emissions of greenhouses gases
question
In which region has the original, natural ecosystem been replaced by agriculture?
answer
The Middle US
question
Global Security is a concern in environmental science because
answer
An increased number of people are competing for scarce resources
question
Which region of the country has serious water contamination problems from toxic chemicals that bioaccumulate in fatty tissue of fish, birds, and top predators?
answer
The Great Lakes and Industrial Northeast
question
Ethics is
answer
a branch of philosophy
question
Environmental ethics can best be defined as
answer
Examining the moral basis of environmental responsibility and its extent
question
Biocentrism is also known as
answer
Life-centered environmental ethics
question
The theory of environmental ethics espouses that all forms of life have the right to exist is referred to as
answer
Bocentric
question
The concept of environmental justice emerged
answer
When studies demonstrated that toxic waste was more likely disposed of in low income areas
question
Sustainable development means
answer
Development that allows nature to replenish itself
question
Risk based corrective action was formed to
answer
Protect environmental ecological resources
question
Most environmental decisions involve
answer
A balance between the costs of a risk and the economic impact of removing that risk
question
Which of the following is NOT a characteristic of sustainable development
answer
Assigning value to everything
question
When people have shared ownership of a resource, economists argue that there is a strong tendency to overexploit that resource. This is referred to as:
answer
Misfortune of Shared Ownership
question
Point at which there is no significant health or environmental risk
answer
Negligible risk
question
The four steps in the risk assessment process are
answer
Hazard identification, exposure assessment, dose-response assessment, and risk characterization
question
This step in the risk assessment process determines potential health concerns from exposure to certain amounts of toxin, usually through laboratory tests on animals, as well as human health data
answer
Exposure assessment
question
The scientific method is
answer
Reliable, impartial, and limited in when it can be used (all of these are correct)
question
Photosynthesis occurs in
answer
Plants
question
The first law of thermodynamics states that
answer
Energy can neither be created nor destroyed
question
The second law of thermodynamics states that
answer
Energy is the ability to do work
question
Process whereby organisms break down large molecules to obtain energy
answer
Respiration
question
Which of the following is an example of abiotic factor?
answer
The climate of the community
question
Natural selection is the process that determines
answer
Which individuals within a species will reproduce and pass their genes to the next generation
question
The development of herbicide resistance in populations of weeds over several generations is an example of
answer
Evolution
question
This concept states that no two species can occupy the same ecological niche in the same place and the same time
answer
Competitive Exclusion Principle
question
Habitat can best be defined as
answer
The place an organism lives
question
Secondary consumers are
answer
Carnivores
question
What is the term used to describe food chains which overlap and intersect
answer
Food web
question
In addition to burning fossil fuels, which activity has caused significant changes to the carbon cycle?
answer
Conversion of forests to agricultural lands
question
A community of living organisms interacting with one another and the physical and chemical factors of their nonliving environment is called
answer
An ecosystem
question
Grazing animals and the grasses they eat have both evolved in response to each others influence. this process is known as
answer
Coevolution
question
Which of the following organisms is a primary producer
answer
Fungi
question
Which of the following organisms is a secondary consumer
answer
Wolf
question
In a mutualistic relationship
answer
Both species benefit
question
Each step in the flow of energy through an ecosystem is known as a
answer
Trophic level
question
The relationship between frogs and insects is an example of
answer
A predator-prey relationship
question
Which biome is characterized by organisms which are inactive during the day and burrow underground?
answer
Desert
question
Which biome is characterized by high levels of rainfall brought in from cool coastal waters and slow evaporation leaving a lot of moisture to sustain large evergreens
answer
Temperate rainforest
question
Which biome is characterized by tree frogs, large vines, and fruit-eating birds and bats
answer
Tropical rainforest
question
The two major factors influencing vegetation in biomes are
answer
Precipitation and temperature
question
Savannas are found in
answer
Tropical parts of Africa
question
Mediterranean Shrublands (Chaparral) have been heavily impacted by humans because
answer
Both they are near the oceans and have a moderate climate
question
Human impact on temperate forests include
answer
Farming, logging, population centers All of these are correct
question
Which group of organisms forms the base of the energy pyramid in a pelagic marine ecosystem?
answer
Plankton
question
In addition to northern latitudes, patches of tundra-like plant communities are also found
answer
On mountain tops
question
Which is an example of secondary succession?
answer
A burning field
question
Primary succession is
answer
A progression that begins with a total lack of organisms
question
Ecologists have learned that succession is influenced by many factors other than climate alone including
answer
Invasive species, disease, human land use history, and seed dispersal
question
K-strategists
answer
Are long-lived organisms
question
By feeding plants to animals, and harvesting animal products, what percent of the energy in the original plan is lost
answer
90
question
The size of the population of a particular organism that can be supported by the local environment is known as the
answer
Carrying capacity
question
The r-strategy in reproduction includes the production of offspring which
answer
Are provided with little food and parental care
question
What is the term used to describe a shallow, partially enclosed area where freshwater enters the ocean?
answer
Estuary
question
Seaweed and other attached marine organisms prefer to grow in which of the following regions
answer
Benthic
question
You would find a temperate rainforest along the coasts for all of the following states except
answer
Northern New York
question
Photosynthetic free-floating marine organisms are called
answer
Phytoplankton
question
Which of the following is the correct sequence of phases in a typical population growth curve
answer
Lag, exponential, stable equilibrium
question
Which phase of a population growth curve is characterized by very slow growth due to reproduction and offspring growth?
answer
Lag phase
question
Terms used to describe factors (or sets of factors) that limit population size (limiting factors) include
answer
Extrinsic and intrinsic
question
Factors that control populations that come from outside the population are known as
answer
Extrinsic limiting factors
question
Ecologists refer to the maximum sustainable population for an area as
answer
Carrying capacity
question
Which condition is necessary for a population to grow?
answer
Natality must exceed mortality
question
A measure of the land area required to provide the resources and absorb the wastes of a population is referred to as the
answer
Ecological footprint
question
Two ways to reduce your carbon footprint are
answer
Walk or bike more, and choose wind power for your electricity
question
Which organism is affected the most by the accumulation of waste
answer
Bacteria
question
K-strategists are
answer
Large and long-lived and controlled by density-dependent factors
question
Which of the following is NOT an environmental factor limiting population size
answer
Disease
question
Deer invest a great deal of energy in a few offspring that have a good chance of living to reproduce. They are said to be
answer
K-strategists
question
Oysters produce a million eggs of which only a few find sustainable habitat to live. they are said to be
answer
R-strategists
question
Movement out of an area that was once one's place of residence
answer
Emigration
question
The remains of plants, animals, and microorganisms that lived millions of years ago is commonly referred to as
answer
Fossil fuels
question
Electricity is both a way that energy is consumed and a way that it is
answer
Supplied
question
In order for a nation to participate in the Industrial Revolution, they had to have
answer
A source of coal
question
Which country has the highest per capita energy use for transportation
answer
United States
question
The price of a liter of gasoline is determined by
answer
The cost of processing crude oil into gasoline The cost of purchasing crude oil State and federal taxes All of the above
question
Choose the correct historical sequence of fuel use in the US from 1800to the present
answer
Wood, coal, oil, gas
question
Almost all electrical energy is produced as a result of
answer
Burning fossil fuels
question
Which of the following is a renewable method to generate electricity
answer
Geothermal Hydroelectric Wind All of the above
question
Biomass such as_____ is used by much of the developing world as its energy source
answer
Wood
question
What percentage of the world's commercial energy is furnished by fossil fuels
answer
80%
question
Which of the following is included in the alternative to drilling for oil in ANWAR
answer
...
question
Which fossil fuel is the most abundant
answer
Coal
question
Which form of coal is relatively abundant and most widely used
answer
Bituminous
question
Which of the following processes involves removing materials from the top of a vein of coal to get to the coal beneath
answer
Surface mining
question
Solar, geothermal, and tidal energy are forms of
answer
Renewable resources
question
The best sites for tidal hydroelectric plants are
answer
Fast flowing rivers near the coast
question
Environmental problems associated with geothermal energy include
answer
Air pollution, corrosion of pipes, and may be toxic to fish
question
Unlike batteries, fuel cells
answer
Run continuously and do not need to be recharged
question
Environmental problems associate with wind power are
answer
Hazardous to birds, vibrations cause structural problems, and noise and visual pollution
question
Naturally occurring substances that can be extracted under current conditions are called
answer
Resources
question
Heat energy from the Earth's core
answer
Geothermal energy
question
Known deposits from which materials can be extracted profitable under current economic and technological conditions are called
answer
Reserves
question
The first goal for developing nuclear energy was to
answer
Produce bombs
question
One of the greatest terrorism-related nuclear threats is from
answer
Dirty bombs
question
Choose the correct sequence of steps in the nuclear fuel cycle
answer
Mining, enrichment, fabrication
question
Which one of the following processes involves increasing the U-235 content of the ore from 0.7% to 3%
answer
Enrichment
question
_________ is a controversial location proposed as a repository for long-term storage of nuclear waste in the United States
answer
Yucca Mountain, Nevada
question
What radioactive isotope is generally used to fuel a controlled nuclear chain reaction
answer
Uranium 235
question
Decomposition of an atoms' nucleus with the release of energy
answer
...
question
Biodiversity is a broad term used to describe the
answer
Diversity of genes Diversity of species Diversity of ecosystems All of these are correct
question
Extinction of a species in one area of its range is called
answer
Local extinction
question
Over the past few hundred years, humans have increased the species extinction rate by as much as
answer
1000 times
question
Which of the following is NOT a technique for managing wildlife
answer
NOT ---> Introduction of exotic species YES ---> Establishment of refuges Predator control Habitat management
question
Species are more likely to become extinct if they
answer
Have both a low population density and reproductive rate
question
Which of the following is an example of a species that is not likely to become extinct soon
answer
Rabbits
question
Which is the greatest cause of extinction
answer
Habitat alteration
question
The Endangered Species Act of 1973
answer
Gave the federal government jurisdiction over any species that were designated as endangered
question
The taxonomic group that displays the greatest biodiversity is
answer
Insects
question
Those species that could become extinct if a critical factor in their environment were changed
answer
Threatened species
question
Process of changing the natural community to encourage the increase in populations of certain desirable species
answer
Habitat management
question
Early towns were usually built
answer
Near rivers, lakes, and oceans
question
Large-scale migration to cities was caused by which of the following
answer
Increased immigration from Europe Increased job opportunities in cities Cultural activties in cities All of these are correct
question
Which of the following encouraged suburban growth
answer
Rising automobile usage
question
The impacts of urban sprawl include
answer
Increased traffic congestion Air pollution Loss of habitat All of these are correct
question
Characteristics of a smart or sustainable community may include
answer
Promoting economic success Seeking to protect and enhance the environment Enhancing a sense of community All of the above
question
"Green buildings" have been built over the past few years using a standard called
answer
Leadership in Energy and Environmental Design (LEED)
question
Characteristics of high-performance green buildings are
answer
Low flow water fixtures Location near public transportation Native vegetation used in landscaping All of these are correct
question
An example of a local growth management action would be
answer
To establish growth limits by restricting building permits
question
Mass transportation systems are often underfunded because they are
answer
...
question
Development along transportation routes
answer
Zoning
question
Large, regional urban center
answer
Megalopolis
question
Unplanned suburban growth
answer
Urban sprawl
question
Which term describes the movement of large plates on the surface of the Earth
answer
Plate tectonics
question
________ increase the decomposition rate of organic matter
answer
High rainfalls
question
Land has characteristics that influence how it can be used, including
answer
Soil, climate, and degree of slope
question
Which of the following do plants need to live
answer
Water Carbon Dioxide Oxygen ALL of these are correct
question
Soil building begins with the physical fragmentation of layers of rock known as
answer
Parent material
question
Decaying organic material is called
answer
Humus
question
Soil erosion is linked to which of the following environmental issues
answer
Soil pollution
question
The crust and solid outer mantle of the Earth
answer
Lithosphere
question
Physical and chemical breakdown of parent material into soil
answer
Weathering
question
Series of layers seen as one digs down into soil
answer
Soil profile
question
Sustainable agriculture utilizes methods that
answer
Do not deplete soil, water, air, or wildlife resources
question
"Organically grown" is a legally defined term which requires that
answer
Organic farms be certified Organic farms must increase soil fertility Prohibits the use of synthetic pesticides and fertilizers All of these are correct
question
Which is a typical method used by organic farmers to control pests
answer
Predator or beneficial insects such as the ladybug
question
A genetically modified organism has had one or more
answer
Genes altered
question
The price and availability of chemical fertilizers is strongly influenced by
answer
the price of oil an the world market
question
Increased crop yields in the US are the result of
answer
Improved agricultural methods More efficient machinery The application of fertilizers All of these are correct
question
Which of the following is NOT a problem associated with pesticides
answer
Bio-accumulation
question
Pesticide resistance is
answer
Pesticide tolerant individuals who survive and reproduce, which makes the pesticide less effective for future pest generations