智慧树知到答案环境学最新答案

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第一章 单元测试

1、单选题:
Ecosystem is a region in which the organisms and the physical environment form a (an) ________________ unit. ( )
选项:
A:interacting

B:physical

C:symbiotic

D:harmonized

答案: 【interacting

2、单选题:
Wilderness is the area with________________ human influence. ( )
选项:
A:minimal

B:much

C:maximal

D:many

答案: 【minimal

3、单选题:
Environmental science is an(a)________________ field that includes both scientific and social aspects of human impact on the world. ( )
选项:
A:traditional

B:independent

C:interdisciplinary

D:important

答案: 【interdisciplinary

4、判断题:
Environmental issues do not necessarily coincide with artificial political boundaries. ( )
选项:
A:对
B:错
答案: 【对】

5、判断题:
Environment is everything that affects an organism during its lifetime. ( )
选项:
A:错
B:对
答案: 【对】

6、判断题:
Environmental science is an interrelated area of study that includes both applied and theoretical aspects of human impact on the world. ( )
选项:
A:错
B:对
答案: 【对】

7、判断题:
Many environmental problems have become global in nature. ( )
选项:
A:对
B:错
答案: 【对】

8、判断题:
Sustainable development is development to meet the present needs without sacrificing the needs of future generations ( )
选项:
A:错
B:对
答案: 【对】

第二章 单元测试

1、单选题:
Risk is the ________________ that a condition or action will lead to an injury, damage, or loss. ( )
选项:
A:chance

B:probability

C:possibility

D:consequence

答案: 【probability

2、单选题:
Risk assessment is the use of ________________ to estimate the probability of harm to human health or the environment. ( )
选项:
A:measurements and analyses

B:models and equations

C:theories and technologies

D:facts and assumptions

答案: 【facts and assumptions

3、多选题:
Renewable resources include_______________. ( )
选项:
A:fossil fuels

B:Soil

C:water

D:vegetation,

答案: 【Soil
;water
;vegetation,

4、判断题:
Risk management is a decision-making process of weighing policy alternatives and selecting the most appropriate regulatory action. ( )
选项:
A:错
B:对
答案: 【对】

5、判断题:
Negligible risk is the zero risk. ( )
选项:
A:错
B:对
答案: 【错】

6、判断题:
Life cycle analysis is the process of assessing the environmental effects associated with the production, use, reuse, and disposal of a product over its entire useful life. ( )
选项:
A:对
B:错
答案: 【对】

7、判断题:
Air pollution, water pollution, plant and animal extinctions, depletion of a resource are all example of the environmental costs of resource exploitation. ( )
选项:
A:对
B:错
答案: 【对】

8、判断题:
Cost-benefit analysis is an unformal process f to determine whether a policy generates more social costs than social benefits. ( )
选项:
A:错
B:对
答案: 【错】

 

第三章 单元测试

1、单选题:
Natural selection is the process that determines which individuals within a species will ______________________ the next generation. ( )
选项:
A:generate their genes for

B:produce their offspring for

C:reproduce and pass their genes to

D:grow and pass their genes to

答案:

2、单选题:
Climax community is the relative ________________ community that the result of succession. ( )
选项:
A:stable and long-lasting

B:stable and short-term

C:stable and large

D:stable and constant

答案:

3、单选题:
Commensalism is the relationship between organisms in which one organism benefits while the other is ___________. ( )
选项:
A:much affected

B:damaged

C:not affected

D:hurt

答案:

4、判断题:
Keystone species are the species that have a critical role to play in the maintenance of specific ecosystems. ( )
选项:
A:错
B:对
答案:

5、判断题:
An ecosystem approach is important to dealing with environmental problems. ( )
选项:
A:对
B:错
答案:

6、判断题:
Niche is the functional role an organism has in its surroundings (its profession). ( )
选项:
A:错
B:对
答案:

7、判断题:
Succession is the concept that communities proceed through a series of recognizable, predictable changes in structure over time. ( )
选项:
A:错
B:对
答案:

8、判断题:
A community is the abiotic portion of an ecosystem that is a setting of interacting populations of organisms. ( )
选项:
A:对
B:错
答案:

第四章 单元测试

1、单选题:
A population can be defined as a group of individuals of the____________species inhabiting an area.( )
选项:
A:small

B:same

C:special

D:different

答案:

2、单选题:
Exponential growth phase is the stage on a typical population growth curve when the offspring of a species begin to mate and have young while the parents may be producing a second set of offspring, which results in a population increase at a (an) _______________ rate. ( )
选项:
A:constant

B:stable

C:decreasing

D:accelerating

答案:

3、单选题:
____________ is the number of individuals of a species that can be maintained in an area, over time, without harming the habitat. ( )
选项:
A:Vulnerability

B:Population

C:Sustainability

D:Carrying capacity

答案:

4、判断题:
K-strategists are organisms that typically reach a stable population as the population reaches the carrying capacity. ( )
选项:
A:对
B:错
答案:

5、判断题:
r-strategists are organisms that typically exploits unstable environments. ( )
选项:
A:对
B:错
答案:

6、判断题:
Age distribution is the number of individuals of each age in the population which influences greatly the rate of population growth. ( )
选项:
A:错
B:对
答案:

7、判断题:
Population density is the total of people in a country, which does not relate the size of the population to the resources available. ( )
选项:
A:错
B:对
答案:

8、判断题:
Total fertility rate is the number of children born per woman in her lifetime. ( )
选项:
A:对
B:错
答案:

第五章 单元测试

1、单选题:
Biodiversity is the __________ of genes, species, and ecosystem in a region. ( )
选项:
A:quantity

B:richness

C:diversity

D:number

答案:

2、单选题:
Endangered species are the species that have such small numbers that they are in immediate jeopardy of becoming __________. ( )
选项:
A:weaker

B:smaller

C:fainter

D:extinct

答案:

3、多选题:
The values of biodiversity include__________( )
选项:
A:direct economic values

B:ethical values

C:no values

D:biological and ecosystem service values

答案:

4、判断题:
The primary causes of biodiversity loss are habitat loss by humans converting ecosystems to agriculture and grazing, over overexploitation by harvesting species at unsustainable levels. ( )
选项:
A:错
B:对
答案:

5、判断题:
Extinction is the death of species, the elimination of all the individuals of a particular kind. ( )
选项:
A:错
B:对
答案:

6、判断题:
Desertification is the process of converting arid and semiarid land to desert because of improper use by humans. ( )
选项:
A:对
B:错
答案:

7、判断题:
Protection of biodiversity typically involves two kinds of activities: legal protection and management of the use of species and ecosystems at sustainable levels. ( )
选项:
A:对
B:错
答案:

8、判断题:
Deforestation means forest-protection activities. ( )
选项:
A:错
B:对
答案:

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