Science

If don't mind could you check my answers for environmental science

1.The interdisciplinary study of humanity’s relationship with other organisms and the non-living physical environment is termed:

a) ecology
b) sociology
c) political science
d) risk analysis
e) environmental science ****
2. As energy flows through an ecosystem
A. 10% of useful energy is lost
B. Chemicals accumulate in higher trophic levels.
C. Energy is transferred 100% efficiently
D. There is no change to energy gained at each level.
E. 90% of useful energy is lost. ****
Which of the following is a carbon sink?
A) volcano
B) trees****
C) consumers
D) bacteria
E) humans
8. Which of the following stages comes LAST in addressing environmental problems?

a) risk analysis
b) political action
c) evaluation****
d) scientific assessment
e) public education and involvement
The Cycle listed that has the most immediate effect on acid precipitation would be
a) Carbon cycle
b) Sulfur cycle****
c) Water cycle
d) Phosphorous cycle
e) Rock cycle
Net primary Productivity per square meter is highest in which biome listed below?
a) Deserts
b) Grasslands
c) Boreal forests
d) Open oceans
e) Estuaries****
"The Tragedy of the Commons" refers to:

a) an environmental theory promoting public ownership of lands and resources.
b) an economic theory promoting private ownership of lands and resources.
c) an analogy describing the conflict between individual interest and management of shared resources.***
d) events impacting the common people, particularly farmers, of developing countries.
e) environmental problems generated by farming practices.
In a positive feedback mechanism:

a) a change in some condition triggers a response that counteracts the changing condition
b) a change in some condition triggers a response that neutralizes the changing condition
c) a change in some condition triggers a response that intensifies the changing condition****
d) all of these
e) none of these choices
Which of the following is NOT a renewable resource?

a) trees
b) fishes
c) minerals****
d) fresh water
e) fertile agricultural soil
An environmental impact statement must include:

a) an ethical analysis of the proposed action.
b) short- and long-term effects and any adverse environmental effects.
c) solutions to any potentially adverse environmental effects.****
d) documentation of the financial cost-benefit analysis of the proposed action.
e) a description of the solution to any associated environmental controversy.
The National Environmental Policy Act:

a) mandates development of an Environmental Impact Statement at the end of any project using federal funds.
b) provided for the establishment of the Court on Environmental Quality to enforce U.S. environmental law.
c) requires the evaluation of federal highway construction and military projects.
d) requires documentation of the financial impact of all projects with potential environmental impact.****
e) was signed into law in 1965.
Which of the following series is organized according to the levels of organization used by ecologists?
a) population -> ecosystem -> community
b) species -> community -> abiotic factors
c) species -> ecosystem -> population
d) population -> community -> biotic factors
e) population -> community -> ecosystem****
Physical laws state that we can recycle:

a) both matter and energy.
b) neither matter nor energy.
c) matter, but not energy.****
c) energy, but not matter.
d) There are no physical laws governing the recycling of matter or energy.
A secondary consumer would eat:

a) tertiary consumers.
b) fungi.
c) bacteria.
d) herbivores.****
e) lions.
Of the following statements, which statement is false?

a) The second law of thermodynamics predicts that although localized areas may temporarily increase in the degree of order, the overall randomness of the universe will not decrease.
b) Energy flow in ecosystems is linear, or one-way.
c) Photosynthesis converts the energy of the sun into stored chemical energy.
d) Cellular respiration converts carbohydrates into usable energy and heat.
e) Only about half the energy available in an organism is transferred to the consumer that eats it.****
Net primary productivity represents:

a) plant growth per unit area per unit time.
b) energy per unit area per unit time.
c) the energy available to herbivores.
d) amount of biomass found in excess of that broken down by a plant's cellular respiration.
e) All of these choices are correct*** dont know
In a pyramid of energy, the lowest quantity of energy ( kcal per m2), would be found in the:

a) producers.
b) primary consumers.
c) secondary consumers.
d) tertiary consumers.
e) herbivores.****
One human impact on the phosphorus cycle occurs through:

a) burning of fossil fuels.
b) the erosion of agricultural lands.***
c) the greenhouse effect.
d) global warming.
e) depletion of the ozone layer.
The phosphorus cycle differs from the carbon cycle in that:

a) there is little or no human impact on the phosphorus cycle.
b) phosphorus is not a critical component of living organisms.
c) the hydrosphere plays a role in the phosphorus cycle.
d) the atmosphere does not contribute to the phosphorus cycle.****
e) plants play a role in the carbon cycle, but have no role in the phosphorus cycle.
Pollution is considered an external cost because:

a) it has a harmful effect borne only by people who purchased the product that caused it.
b) its cost to the environment is not reflected in the price of the product that produces it.****
c) it has a significant impact on the consumer's decision to buy the product that causes it.
d) it is a hidden cost that would produce increased demand if the consumer were aware of it.
e) it is an advertised cost that may affect consumer demand for a given product.
An ecosystem can be characterized as:

a) populations + community.
b) all species, population, and community interactions for organisms in a given area.
c) the abiotic components of the environment.
d) all of the biological interactions, plus interactions with the abiotic environment, in a given area.***
e) interactions between physical processes and the abiotic environment.
Nitrogen fertilizer:
A) contributes to acid rain.***
B) leads to the formation of nitrous oxides.
C) may contaminate groundwater or cause Eutrophication.
D) contributes to the production pf photochemical smog.
E) All of the above

  1. 0
  2. 4
asked by Anonymous
  1. An environmental impact statement must include:

    a) an ethical analysis of the proposed action.
    *****************
    b) short- and long-term effects and any adverse environmental effects.
    +++++++ I would pick b) but go with your text
    ***************
    c) solutions to any potentially adverse environmental effects.****
    d) documentation of the financial cost-benefit analysis of the proposed action.
    e) a description of the solution to any associated environmental controversy.
    ======================
    Nitrogen fertilizer:
    A) contributes to acid rain.***
    B) leads to the formation of nitrous oxides.
    C) may contaminate groundwater or cause Eutrophication.
    D) contributes to the production pf photochemical smog.
    ==============
    E) All of the above ************* I think E
    ==============

    posted by Anonymous

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