Environmental Science

Questions

Environmental Science

1) If atmospheric carbon dioxide was eliminated from our atmosphere, we would expect that the

 

Earth would:

 

A) cool considerably and photosynthesis would dramatically increase

 

B) cool considerably and photosynthesis would dramatically decrease

 

C) heat up considerably and photosynthesis would dramatically increase

 

D) heat up considerably and photosynthesis would dramatically decrease

 

2) Which of the following is a correlation that is causing widespread concern?

 

A) As atmospheric oxygen levels decline, the ozone layer is being destroyed.

 

B) As atmospheric carbon dioxide levels decline, the ozone layer is being destroyed.

 

C) As levels of methane decline, average global temperatures are increasing.

 

D) As levels of carbon dioxide increase, average global temperatures are increasing.

 

3) Which of the following is part of natural capital but not ecosystem capital?

 

A) solar energy used to drive photosynthesis throughout the biosphere

 

B) coal and oil reserves

 

C) the production of electrical energy from wind turbines and dams

 

D) the genetic diversity of all plants and animals used in modern agriculture

 

4) From an ecological economist’s perspective, without sustainability, as economies grow:

 

A) gross national product grows too

 

B) natural resources are renewed

 

C) the natural world is depleted

 

D) natural ecosystems are replenished

 

5) Natural capital includes ecosystem capital plus:

 

A) natural forms of energy, such as solar, wind, and flowing water

 

B) nonrenewable resources such as fossil fuels

 

C) money available to invest in growing industry

 

D) all of the products of photosynthesis in the biosphere

 

6) The concept of sustainability requires that:

 

A) economic growth does not exceed the renewal of natural capital

 

B) all sources of energy used in an economy must come from the sun

 

C) global economic systems are based on the harvesting of natural products

 

D) economies use equal portions of land, labor, and capital

 

7) Uncertain about the best way to keep his new lizard alive, Jerome places a heat lamp at one

 

end of the long lizard cage. Over several days, Jerome notices that the lizard tends to sit in a

 

certain place when the lamp is on. The lizard’s selection of a particular place to stay

 

represents its:

 

A) range of tolerance

 

B) temperature optimum

 

C) biotic conditioning

 

D) use of a limited resource

 

8) As global climate change warms certain mountain ranges, the temperature optima for the insect

 

species living on the mountain is causing these insects to:

 

A) move higher up the mountain

 

B) move down the mountain

 

C) move to a new biome

 

D) become parasitic

 

9) Energy is lost as it moves from one trophic level to the next because:

 

A) one trophic level does not consume the entire trophic level below it

 

B) some of the calories consumed drive cellular activities and do not add mass

 

C) some ingested materials are undigested and eliminated

 

D) All of the above.

 

10) In general, biomes at higher latitudes are most like:

 

A) biomes at higher altitudes

 

B) aquatic biomes

 

C) biomes at lower altitudes

 

D) biomes at lower latitudes

 

11) Biomes with more than 75 centimeters (30 inches) of rain a year and that never experience

 

freezing temperatures are most likely found:

 

A) at high altitudes

 

B) nearest the equator at low altitudes

 

C) at high altitudes in temperate zones

 

D) at high altitudes and high latitudes

 

12) Biomes with permafrost are most likely:

 

A) covered in coniferous forests at high latitudes

 

B) in temperate zones with deciduous trees

 

C) located near the poles and without any trees

 

D) located at high altitudes nearest the equator

 

13) Biomes with less than 25 centimeters (10 inches) of rain a year are:

 

A) high in primary productivity

 

B) likely to have extremely cold winters

 

C) covered with coniferous trees

 

D) deserts

 

14) Which of the following are current limiting factors for future human population growth?

 

A) pollution and land for agriculture

 

B) availability of oxygen and water

 

C) fossil fuels and carbon dioxide production

 

D) oxygen levels in the atmosphere and availability of sodium chloride

 

15) According to demographer Joel Cohen, the human carrying capacity:

 

A) can be calculated in the same way it is determined for other animal species

 

B) depends upon a standard of living

 

C) can clearly be determined

 

D) largely depends upon the availability of fresh water

 

16) In a significant 2004 paper reviewing 69 studies on world human population and carrying

 

capacity, the authors estimated that the sustainable carrying capacity of humans for the

 

planet is about:

 

A) 600 million

 

B) 2.5 billion

 

C) 7.7 billion

 

D) 20 billion.

 

17) According to the UN Population Division and a significant 2004 paper reviewing 69 studies

 

on world human population and carrying capacity, the world population of humans will exceed

 

carrying capacity in about the year:

 

A) 2014

 

B) 2024

 

C) 2050

 

D) 2100

 

18) Which of the following activities would be consistent with the Millennium Development Goals?

 

A) help communities build technical and trade schools for boys to learn skills in high

 

demand

 

B) develop coal, gold, and silver mines wherever possible as quick sources of jobs

 

C) provide meals and mosquito nets for every child under the age of five

 

D) encourage the expansion of national militaries to provide income and technical training

 

19) If the Millennium Development goal to eradicate extreme poverty and hunger by 2015 is

 

achieved:

 

A) almost a billion people will still live in extreme poverty

 

B) no continent will have more than 10,000 people still hungry

 

C) fertility rates will decline to those of most European nations

 

D) the rural population of the world will nearly double

 

20) Which of the following represents the Millennium Development Goal that is least likely to be

 

achieved?

 

A) universal primary education

 

B) reduced child mortality

 

C) increased access to clean drinking water

 

D) decreased maternal childbirth deaths

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