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Grade 12 AP Environmental Science Mid-Term Exam
1.

Which of the following is the primary force responsible for the movement of tectonic plates?

Select one option
2.

The layer of the atmosphere where most weather occurs and where concentrations of water vapor are highest is the:

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3.

Evapotranspiration is a key process in the hydrologic cycle that combines evaporation from surfaces with transpiration from:

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4.

In most ecosystems, the biomass of producers is significantly greater than the biomass of primary consumers. This illustrates:

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5.

An area with a high concentration of endemic species and experiencing significant habitat loss is known as a:

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6.

When a population grows beyond its carrying capacity, which of the following is most likely to occur?

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7.

Which stage of the demographic transition model is characterized by high birth rates and rapidly declining death rates, leading to rapid population growth?

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8.

The measure of human demand on the Earth's ecosystems, representing the amount of biologically productive land and sea area required to provide the resources an individual or population consumes and to assimilate their waste, is called the:

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9.

Which of the following forms of coal has the highest energy content and is typically found in older, more deeply buried deposits?

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10.

A major advantage of photovoltaic solar cells is that they:

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11.

Sulfur dioxide (SO2SO_2) and nitrogen oxides (NOxNO_x) are primary precursors to:

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12.

The process by which excess nutrients, particularly nitrates and phosphates, enter a body of water, leading to increased algal growth and subsequent oxygen depletion, is known as:

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13.

Salinization of agricultural soils is most often caused by:

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14.

Which of the following greenhouse gases has the highest global warming potential (GWP) over a 100-year period?

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15.

Incorporating features like green roofs, permeable pavements, and rainwater harvesting systems into urban design primarily aims to:

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16.

Different species of warblers living in the same tree species but feeding in different parts of the tree and on different insects is an example of:

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17.

A significant environmental concern associated with nuclear power plants is the:

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18.

Which of the following is a common environmental problem associated with conventional landfills?

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19.

The "O horizon" in a soil profile primarily consists of:

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20.

A negative environmental consequence of widespread monoculture farming is:

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21.

Increased absorption of carbon dioxide by the oceans leads to:

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22.

Nitrification is a two-step process in the nitrogen cycle where specialized bacteria convert:

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23.

Chronic exposure to high levels of noise pollution can lead to all of the following human health issues EXCEPT:

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24.

The majority of freshwater on Earth is found in:

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25.

A graph depicting a population initially showing exponential growth, followed by a leveling off as it approaches carrying capacity, illustrates which of the following models?

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26.

Based on typical urban air quality data, a city reporting consistently high levels of PM2.5 (particulate matter less than 2.5 micrometers) would most likely experience:

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27.

An "externality" in environmental economics refers to:

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28.

Extensive deforestation in a watershed can lead to all of the following EXCEPT:

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29.

The rain shadow effect is a phenomenon that occurs when:

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30.

Which of the following mining methods is generally considered to have the most significant and irreversible environmental impact on landscapes and aquatic ecosystems due to massive surface disturbance and release of toxic runoff?

Select one option
31.

A species that is likely to become endangered in the foreseeable future throughout all or a significant portion of its range is classified as:

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32.

The use of living organisms, such as bacteria or fungi, to degrade environmental contaminants is known as:

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33.

A major environmental disadvantage of large-scale hydroelectric dams is:

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34.

The concept of a "circular economy" differs from a traditional linear economy ("take-make-dispose") by emphasizing:

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35.

The outward growth of cities into surrounding natural areas or agricultural lands, often characterized by low-density development and increased reliance on automobiles, is known as:

Select one option
Coastal Wetland Ecosystems

Coastal wetlands are among the most productive ecosystems on Earth, providing a wide array of benefits to both natural systems and human societies. However, these critical habitats are increasingly threatened by human activities.

36.

a) Identify and describe two distinct ecosystem services provided by a coastal wetland.

37.

b) Describe one human activity that could degrade a coastal wetland and explain one specific environmental consequence of that degradation.

38.

c) Propose and justify one mitigation strategy to protect coastal wetlands from human impacts.

Island Deer Population Dynamics (2000-2030)

The graph below illustrates the changes in a deer population on a isolated island over a period of 30 years.

0 200 400 600 800 Population Size

2000 2005 2010 2015 2020 2025 2030 Year

39.

a) Identify the approximate carrying capacity of the deer population based on the provided graph. Justify your answer using data from the graph.

40.

b) Describe two density-dependent factors that could limit the deer population growth on the island.

41.

c) Discuss one potential ecological consequence for the island ecosystem if the deer population significantly exceeds its carrying capacity for an extended period.

42.

d) Propose and describe one management strategy, other than culling, that could be used to sustainably manage the deer population on the island.

Energy Challenges in a Developing Nation

A rapidly developing country is experiencing significant economic growth, leading to a surge in energy demand. To meet this demand, the country has heavily relied on its abundant coal reserves, but is now beginning to consider diversifying its energy mix with renewable sources like solar power.

43.

a) Identify and describe two distinct environmental impacts associated with the increased reliance on coal for energy production in a developing country.

44.

b) Discuss one economic advantage and one environmental disadvantage of transitioning to a large-scale solar energy infrastructure for electricity generation in this country.

45.

c) Describe two specific governmental policies or economic incentives that could encourage the adoption of renewable energy technologies in the country.

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