Environmental Science Final Exam Questions and Answers, Exams of Nursing

A comprehensive set of questions and answers covering key concepts in environmental science. It covers topics such as ecosystems, biodiversity, pollution, energy resources, and climate change. Useful for students preparing for a final exam in environmental science.

Typology: Exams

2024/2025

Available from 03/24/2025

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Environmental Science Final exam with Correct
Answer Latest Update 2025
A calculation that states that the productive area of Earth needed to support one
person in a particular country. - Correct answer Ecological footprint. U.S has the
largest footprint
A community of organisms and their abiotic environment - Correct answer
Ecosystem
A diagram that shows the feeding relationships between organisms in an ecosystem
- Correct answer Food web
A gradual increase in global temperature - Correct answer Global warming
A group of organisms of the same species that live in a specific geographical area
and interbreed. - Correct answer Population
A large region characterized by a specific type of climate and certain types of plant
and animal communities - Correct answer Biome
A law of economics that states that as the demand for a good increases, the value of
the good or service also increases. (ex. oil) - Correct answer Law of Supply and
Demand
A material that can be broken down by biological processes - Correct answer
Biodegradable
A mixture of gases that surrounds a planet such as Earth - Correct answer
Atmosphere (oxygen, carbon dioxide, nitrogen)
A nonrenewable energy resource formed from the remains of organisms that lived
long ago - Correct answer Fossil fuels (ex. oil, coal, and natural gases)
A pathway of energy transfer through various stages as a result of the feeding
patterns of a series of organisms - Correct answer Food chain
A plate boundary where two plates move away from each other <- -> - Correct
answer Divergent
A plate boundary where two plates move towards each other -><- - Correct answer
Convergent
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Environmental Science Final exam with Correct

Answer Latest Update 2025

A calculation that states that the productive area of Earth needed to support one person in a particular country. - Correct answer Ecological footprint. U.S has the largest footprint A community of organisms and their abiotic environment - Correct answer Ecosystem A diagram that shows the feeding relationships between organisms in an ecosystem

  • Correct answer Food web A gradual increase in global temperature - Correct answer Global warming A group of organisms of the same species that live in a specific geographical area and interbreed. - Correct answer Population A large region characterized by a specific type of climate and certain types of plant and animal communities - Correct answer Biome A law of economics that states that as the demand for a good increases, the value of the good or service also increases. (ex. oil) - Correct answer Law of Supply and Demand A material that can be broken down by biological processes - Correct answer Biodegradable A mixture of gases that surrounds a planet such as Earth - Correct answer Atmosphere (oxygen, carbon dioxide, nitrogen) A nonrenewable energy resource formed from the remains of organisms that lived long ago - Correct answer Fossil fuels (ex. oil, coal, and natural gases) A pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms - Correct answer Food chain A plate boundary where two plates move away from each other <- -> - Correct answer Divergent A plate boundary where two plates move towards each other -><- - Correct answer Convergent

A plate boundary where two plates slide past each other -> <- - Correct answer Transform A species that has been identified to be in danger of extinction throughout all or significant part if its range, and that is thus under protection by regulations or conservation measures - Correct answer Endangered A species that has been identified to likely become endangered in the foreseeable future - Correct answer Threatened A species that is critical to the functioning of the ecosystem in which it lives because it affects the survival and abundance of many other species in its community. - Correct answer Keystone species An environmental factor that is associated with or results form the activities of living organisms - Correct answer Biotic factor (dead organisms, waste) An organism that eats other organisms or organic matter - Correct answer Consumers (from producers or lower level consumers) An organism that feeds by breaking down organic matter from dead organisms - Correct answer Decomposer (from all) An organism that makes its own food - Correct answer Producer (from the sun) Any natural material that is used by humans, such as water, petroleum, minerals, forests, and animals - Correct answer Natural resource Biomass advantages and disadvantages - Correct answer Advantages: -extends life of engines -limits waste Disadvantages: -burns matter into pollution Describes the non-living part of the environment - Correct answer Abiotic factor (air, water, rocks, sand) Discuss the advantages of producing energy by burning fossil fuels - Correct answer -cooking -transportation -manufacturing -heating and cooling -electricity Discuss the advantages of using nuclear energy - Correct answer -concentrated source

How might amphibians be impacted by ozone depletion? - Correct answer -death of eggs -genetic mutants among survivors -reduction of populations How might humans be impacted by ozone depletion? - Correct answer -increased incidence of skin cancer -premature aging -increased incidence of cataracts -weakened immune system How might marine life be impacted by ozone depletion? - Correct answer -death of phytoplankton in surface water -disruption of food chain -reduction of the number of photosynthesizers How might plants be impacted by ozone depletion? - Correct answer -interference with photosynthesis -reduced crop yields Hydroelectric energy advantages and disadvantages - Correct answer Advantages: -inexpensive to run -no pollutants -dams control floods Disadvantages: -expensive to build -disrupts ecosystem Includes all of the water on or near Earth's surface - Correct answer Hydrosphere (ocean, lakes, ice caps, water cycle) List 4 ways humans can cause extinctions - Correct answer -habitat destruction and fragmentation -invasive exotic species -harvesting, hunting, and poaching -pollution List important ways biodiversity is important to humans - Correct answer -medical -industrial -agricultural -ethics -aesthetics -recreation List these in metric units Distance (length)

Mass Volume Temperature - Correct answer 1. meters

  1. grams
  2. Liters celcius Logarithmic growth, or growth in which numbers increase by a certain factor in each successive time period - Correct answer Exponential growth Lowering the amount of production - Correct answer Reducing Major environmental effects of hunter-gatherers, agricultural revolution, and industrial revolution - Correct answer Hunter-gatherers: setting fires to prairies and over hunting animals Agricultural revolution: population growth, plant production, destroyed habitats Industrial revolution: fossil fuels burned and factory growth Pollution that comes from a specific source - Correct answer Point-source pollution (ex. leaking septic tank systems) Pollution that comes from many sources rather than a single source - Correct answer Non point-source pollution (ex. runoff) Positive and negative effects of building a dam? - Correct answer Positive: -reservoir formed -many uses of accumulated water -generates electricity Negative: -interrupting river flow -floods -displacement -less productive farm land Reusing materials or recovering valuable materials from waste or scrap - Correct answer Recycling Solar energy advantages and disadvantages - Correct answer Advantages: -non polluting -mass energy production Disadvantages: -takes up space -expensive -unpredictable -bird interference

The process of saving energy by reducing energy use and waste - Correct answer Energy conservation (ex. riding a bike instead of driving) The short-term state of atmosphere, including temperature, humidity, precipitation, wind and visibility - Correct answer Weather The study of air, water, and land surrounding an organism or a community, which ranges from a small area to Earth's entire biosphere; it includes the study of the impact of humans on the environment - Correct answer Environmental science The variety of organisms in a given area, the genetic variation within a population, the variety of species in a community, or the variety of community in an ecosystem. - Correct answer Biodiversity The warming of the surface and lower atmosphere of Earth that occurs when carbon dioxide, water vapor, and other gases in the air absorb and re-radiate infrared radiation - Correct answer Greenhouse effect Tidal energy advantages and disadvantages - Correct answer Advantages: -low maintenance -small -large scale Disadvantages: -expensive construction -few locations -unpredictable Under what conditions does exponential growth of populations take place? - Correct answer When populations have plenty of food and space, and have little or no competition or predators Using an object more than once - Correct answer Reusing Wastes that are a risk to the health of humans or other living organisms - Correct answer Hazardous waste What are some problems associated with modern landfills? - Correct answer Leachate forms and if not monitored properly can get into wells. Methane forms can could seep into the ground and is also flammable What are the environmental benefits of open spaces in urban areas? - Correct answer Open space can help create more homes for urban species and causes less pollution What are the major differences between today's global warming and Earth's previous climate changes? - Correct answer Today, ice has melted and risen sea

levels to points of flooding in areas. More hurricanes and typhoons are happening due to heated waters and the heat itself causes health problems to humans as wells as damaging plants and causing droughts What happens to the population after it reaches the carrying capacity? - Correct answer It may increase a little beyond but can't stay increased past the capacity and will most likely decrease dramatically afterwards What human-made chemical damages the ozone layer - Correct answer CFC's (Chlorofluorocarbons) What is a plant's role in the carbon cycle? - Correct answer Carbon enters the plant and it's converted into oxygen What is a plant's role in the nitrogen cycle? - Correct answer Nitrogen-fixing bacteria are located in the roots of plants and convert nitrates to nitrogen What is a plant's role in the phosphorus cycle? - Correct answer Phosphates are absorbed through the roots of plants What is the change in population equation? - Correct answer Changes in population size = Births - Deaths What is the difference between renewable and nonrenewable resources? - Correct answer A renewable resource is a resource that can be replaced relatively quickly by natural processes (water) while a nonrenewable resource is a resource that forms at a much slower rate than the consumed rate (fossil fuels) What is the role of photosynthesis and respiration on gases in our atmosphere? - Correct answer Photosynthesis is when plants use sunlight (with carbon dioxide) to produce oxygen and respiration uses oxygen to produce carbon dioxide. The gases circulate through plants and animals and cause life What main factors determine the types of plants that will grow in a particular biome?

  • Correct answer Temperature, precipitation, latitude, and altitude What might be the cause of increased carbon dioxide levels in our atmosphere during the 20th century? - Correct answer Because more factories are being produced and vehicle transportation is more common What might happen to a species if it has to compete for natural resources? - Correct answer The species could slowly die off if they don't have enough resources to survive What waste can be composted? - Correct answer Food and yard waste