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Environment And You The 2nd Edition By Christensen & Leege -Test Bank
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- Environment
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- Environment
Test Bank For Environment And You The 2nd Edition By Christensen & Leege Complete Test Bank
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,ExamName___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) The 1987 UN Commission on Sustainability first introduced the concept of ________ as a necessary 1)
focus for maintaining sustainability.
A) cultural services
B) renewable energy
C) human well-being
D) environmental sustainability
E) human population growth
2) The current total world population has just passed ________. 2)
A) 6 billion B) 5 billion C) 9 billion D) 8 billion E) 7 billion
3) The law of energy and mass conservation states that ________. 3)
A) energy can be created and matter destroyed
B) energy cannot be destroyed but matter can be created
C) energy and matter cannot be created or destroyed
D) both energy and matter can be created and destroyed
4) Which of the following is not an abiotic factor? 4)
A) sunlight
B) bacteria
C) temperature
D) rainfall
E) carbon and nitrogen levels
5) An ecosystem is best defined as ________. 5)
A) all the organisms and their physical and chemical environment within a specific area where
energy and matter influence the distribution and abundance of organisms present
B) a regional grouping of plants, animals, and abiotic factors
C) the total population of a specific kind of plant, animal, or microbe and all members of which
do or potentially can interbreed and produce young
D) abiotic factors affecting a grouping or plants, animals, and organisms trying to survive in a
given area
E) a grouping of plants and animals that interacts with one another in a way that causes the
grouping to die
6) Which of the following is not a principle of Ecosystem function? 6)
A) Ecosystems have distinct boundaries that are influenced by the abiotic factors in the
ecosystem.
B) Ecosystems are always open to gains and losses of matter and energy.
C) Ecosystem's processes are self-regulated by interactions among their living and nonliving
components.
D) Matter and energy are neither created nor destroyed.
E) Ecosystem change is inevitable and essential.
1
, 7) A hypothesis can best be described as ________. 7)
A) an explanation that has been tested many times
B) the science of asking questions and finding concrete answers
C) a proven fact
D) a comparison between groups with an explanation for differences
E) a proposed explanation that can be tested
8) All the organisms and their physical and chemical environment within a specific area best describe 8)
________.
A) populations
B) ecosystems
C) ecological communities
D) the biosphere
E) biomes
9) Sustainable use of resources requires ________. 9)
A) an understanding of rate of resource renewal and ability to manage rate of use
B) knowledge of all nonrenewable resources
C) a thorough understanding of the scientific method
D) knowledge of all finite resource locations
E) an understanding of ecosystem models
10) The ecosystem boundary of a drainage basin can be defined by ________. 10)
A) mountains, hills, and valleys that determine where the water flows
B) the rivers that divide the basins between counties, cities, and states
C) local legislative decisions designed to clarify jurisdiction of the ecosystem
D) the amount of water flowing into the basin from a mountain
E) the streams that flow into the basin
11) A key factor in the ability of ecosystems to provide ecosystem services is ________. 11)
A) the presence of essential abiotic factors
B) the maintenance of a high level of diversity of species
C) the presence of both renewable and nonrenewable resources
D) a steady rate of growth of the ecosystem
E) a sustainable energy cycle
12) What is one barrier that makes it difficult for scientists to forecast environmental changes? 12)
A) the diversity of views based on cultural and religious differences
B) simplicity of ecosystems
C) unpredictable behavior of ecosystems that cause unpredicted environmental changes
D) the certainties of ecosystem function that humans ignore
E) environmental conflict that leads to ecosystem sustainability
13) At virtually any level of use, nonrenewable resources can be ________. 13)
A) replenished once depleted
B) exhausted or depleted
C) recycled or reused
D) converted to nonmetallic minerals
E) converted to renewable ones
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, 14) In human-dominated ecosystems, which of the following features is often lacking? 14)
A) drought resistant regulation
B) the presence of sufficient human infrastructure
C) the presence of positive feedback systems
D) homeostatic regulation
E) an ecosystem's ability to grow sufficient food
15) Sustainable companies such as DIRTT measure success by the triple bottom line, which includes 15)
________, people, and profit.
A) planet
B) prosperity
C) petroleum
D) popularity
E) professionalism
16) Environmental science is best described as ________. 16)
A) focusing on renewable resource sustainability
B) studying ecosystem sustainability and destruction
C) focusing on organism relationships within an ecosystem
D) studying all aspects of an environment
E) studying the physical and chemical aspects of an environment
17) Negative feedback processes tend to function within ecosystems to ________. 17)
A) cause further ecological destruction.
B) stabilize the ecosystem
C) cause ecological relationships to disintegrate
D) reinforce harmful changes
E) cause ecological relationships to flourish
18) As human population and demands for resources have changed, our definition of sustainability has 18)
also changed. One hundred and fifty years ago, human resource use was largely determined by
________.
A) the necessity to avoid human conflict
B) the understanding of resource supply
C) consideration of human justice
D) the need for balancing multiuses/demands for a resource
E) human needs or desires
19) Ecosystems are connected by ________. 19)
A) the flow of energy and matter through the ecosystem
B) individual species competing for space with other species in the ecosystem
C) the essential flow of water through the ecosystem
D) energy cycling and nutrient flow
E) the movement of pollutants between ecosystems
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