FOR MORE CLASSES VISIT www.sci256tutor.com SCI 256 Week 1 Individual Assignment Environmental Science Worksheet (New) SCI 256 Week 1 DQ 1 SCI 256 Week 1 DQ 2 SCI 256 Week 1 DQ 3 SCI 256 Week 1 DQ 4 SCI 256 Week 2 Ecosystem Paper (New) (2 Papers) SCI 256 Week 2 Human Impact on Biogeochemical Cycles Worksheet (New) SCI 256 Week 2 Learning Team Assignment Natural Resources and Energy Team Paper – Plan SCI 256 Week 2 Individual Assignment Ecosystem Structure, Function, and Change SCI 256 Week 2 DQ 1 SCI 256 Week 2 DQ 2 SCI 256 Week 2 DQ 3 SCI 256 Week 3 Natural Resources Worksheet (New)

1. SCI 256 Entire Course (New)
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SCI 256 Week 1 Individual Assignment Environmental Science
Worksheet (New)
SCI 256 Week 1 DQ 1
SCI 256 Week 1 DQ 2
SCI 256 Week 1 DQ 3
SCI 256 Week 1 DQ 4
SCI 256 Week 2 Ecosystem Paper (New) (2 Papers)
SCI 256 Week 2 Human Impact on Biogeochemical Cycles Worksheet
(New)
SCI 256 Week 2 Learning Team Assignment Natural Resources and
Energy Team Paper – Plan
SCI 256 Week 2 Individual Assignment Ecosystem Structure, Function,
and Change
SCI 256 Week 2 DQ 1
SCI 256 Week 2 DQ 2
SCI 256 Week 2 DQ 3
SCI 256 Week 3 Natural Resources Worksheet (New)
SCI 256 Week 3 Learning Team Assignment Natural Resources and
Energy Paper

2. SCI 256 Week 3 DQ 1
SCI 256 Week 3 DQ 2
SCI 256 Week 3 DQ 3
SCI 256 Week 3 DQ 4
SCI 256 Week 4 Climate Change Response (New) (2 Papers)
SCI 256 Week 4 Environmental Pollution Recommendation (New) SCI
256 Week 4 Individual Assignment Environmental Pollution Outline
SCI 256 Week 4 Individual Assignment Environmental Pollution
SCI 256 Week 4 DQ 1
SCI 256 Week 4 DQ 2
SCI 256 Week 4 DQ 3
SCI 256 Week 4 DQ 4
SCI 256 Week 5 Community Sustainability Proposal (New)
SCI 256 Week 5 Environmental Analysis Presentation (New)
SCI 256 Week 5 Learning Team Assignment Economic Analysis
Presentation
SCI 256 Week 5 DQ 1
SCI 256 Week 5 DQ 2
SCI 256 Week 5 Final Èxam Guide
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3. SCI 256 Entire Course and Final Guide
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SCI 256 Entire Course and Final Guide
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SCI 256 Final Èxam Guide
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Set contains 40 Question
1. According to the Environmental Science text, the environmental
statement of the 1990s was “saving our planet”. Is earth's very survival
really in danger?
2. The total amount of food produced each year worldwide is sufficient
to feed all the world's people today. Why do famines nevertheless occur?
3. An observation that is agreed upon by the majority of scientists is
called a

4. 4. Which of the following is the correct sequence of steps, from
beginning to end, in the Scientific Method:
5. A chemical spill has occurred on the shore of a lake in an area where
the underlying aquifer is widely used as a drinking water supply. The
pollutants threaten to flow into both the surface water and the
groundwater. The residence time of water in the lake is short, and the
residence time in the groundwater is long. Which of the following
statements is correct?
6. The region of the Earth where life exists is known as:
7. Epidemic diseases include all of the following except:
8. Decreased death rate and the accelerated rate of human population
growth are related to: I. improved sanitation and health
II. increased food supply
III. control of disease-spreading organisms

5. 9. Which of the following cycles involves the movement of water from
the surface of the Earth through the atmosphere back to the surface of
the Earth?
10. The substance with the greatest significance for the global carbonate-
silicate cycle is:
11. According to the Environmental Science text, an ecosystem:
12. Which of the following statements is true about omnivores?

6. 13. In the open ocean, the first trophic level is composed primarily of:
14. Firewood is the primary source of fuel for cooking and heating in
many cultures. Approximately what percentage of the world's total
energy use involves firewood?
15. Gradual, sequential changes in the composition of an ecosystem,
particularly following an initial disturbance is called:
16. Since the extensive fires in Yellowstone National Park in 1988, the
park often has been cited as an example of the connection between forest
fire and natural succession. An important part of understanding the
danger of wildfire in Yellowstone is understanding its history. From the
time of the founding of the park in 1872 until 1963, what was the policy
regarding wildfires?

7. 17. What is the most important cause of starvation worldwide?
18. Aquaculture refers to:
19. Deserts occur naturally where:
20. What is the main reason that DDT is still being used in large areas of
the world?
21. Which of the terms below refers to the phenomenon in which many
species escape from a cut area and seek refuge in the border of the
forest:
22. The most fundamental difference between a park and a true
wilderness area is:

8. 23. As people clear land and modify the environment, species which
_____ are especially vulnerable to extinction.
24. Carrying capacity is the:
25. Which of the following are the three main energy sources used in the
U.S?
26. The majority of Earth's energy input comes from:
27. _________ is an example of a fossil fuel; _________ is an example
of an alternative energy source; and _________ is an example of a
renewable energy source:

9. 28. The Alaska National Wildlife Refuge (ANWR) has made headlines
because of:
29. Which of the following is the strongest argument in favor of
pollution allowance trading:
30. Oil is:
31. Which of the following terms refers to energy produced from any
source other than fossil fuels:

10. 32. What is geothermal energy?
33. What one factor, more than others, determines the suitability of tidal
power for a coastal site?
34. The worst accident in the history of commercial nuclear power
happened in 1986 at Chernobyl, where a uranium fuel meltdown
occurred. According to the Environmental Science text, in the next 20 to
30 years, there will be an increase in cancer:
35. The Energy Policy Act of 2005 considered the role of nuclear power
in the U.S. energy mix. Its recommendation was to:
36. What is an aquifer?

11. 37. “Instream use” refers to:
38. Desalination is a promising source of water for some locations
because:
39. The amount of phosphorus and nitrogen in groundwater probably
would be greatest:
40. According to the Environmental Science text, what is the most
critical water pollution problem in the world?
41. During the last two million years or so, the climate of the Earth has:

12. 42. Large volcanic eruptions appear to make the Earth's climate
_________,at least temporarily.
43. Carbon monoxide is particularly dangerous to humans because:
44. Atmospheric inversion conditions over urban areas pose a problem
primarily because:
45. This is an ailment caused by long-term exposure to air with high
concentrations of soot or carbon-rich dust:
46. The number of deaths caused by lung cancer due to exposure to
radon is comparable to the number of deaths caused by
______________ in the U.S. each year.

13. 47. The field of environmental economics seeks to:
48. Many natural organisms and ecosystems perform service functions
that are beneficial to humans. These include all of the following except:
49. Before modern sanitation and medicine, a major control on
population density in European cities (and cities elsewhere) was:
50. Love Canal, near Niagara Falls, New York, illustrates which of the
following principles or problems?
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SCI 256 Week 1 DQ 1
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In your opinion, what are the benefits and constraints of using the
scientific method to analyze environmental decisions?
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SCI 256 Week 1 DQ 2
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What are some social, economic, aesthetics, and ethical issues involved
in a current environmental controversy? Explain
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SCI 256 Week 1 DQ 3
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What organelle of the cell do you think is most important for life?
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SCI 256 Week 1 DQ 4
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15. What is zero population growth? Is this a reasonable and attainable goal
for the global human population?
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SCI 256 Week 1 Individual Assignment Environmental Science
Worksheet (New)
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SCI 256 Week 1 Environmental Science and Human Population
Worksheet Complete the Material: Environmental Science and Human
Population Worksheet. Click the Assignment Files tab to submit your
assignment. Environmental Science and Human Population Worksheet
Using the textbooks, the University Library, or other resources, answer
each of the following questions in 150- to 300-words. Be sure to
provide references for the sources you use. Question Response Is the
current growth rate of the human population sustainable? Explain, using
the concept of carrying capacity. Using an internet search, provide a
timeline of important events in the modern environmental movement
since 1960. Perform an internet search using one of these topics: car,
electronics, water bottles, plastic grocery bags, food choice, home size,
commuting and incorporate the “environmental impact” they may elicit.
Read one of the articles you find and explain: · The environmental
impacts of that item or activity. · How you as an individual can
reduce your impact on the environment as it relates to this item or
activity. Explain the relationship between three aspects of science:
hypothesis, research/experimentation, and theory References APA-
formatted citation APA-formatted citation
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16. SCI 256 Week 2 DQ 1
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Because ecosystems change and may recover naturally from disturbance
over time, what factors affect decisions about whether human
intervention is needed to help ecosystem recovery? Provide examples.
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SCI 256 Week 2 DQ 2
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What are some human impacts on the natural cycling process of
ecosystems in your community?
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SCI 256 Week 2 DQ 3
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dentify a natural ecosystem in which you live or one near to where you
live? How does this ecosystem support you? How can you minimize
your carbon footprint?

17. --------------------------------------------------------------------------------------
SCI 256 Week 2 Ecosystem Paper (New) (2 Papers)
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This Tutorial Contains 2 Different Papers SCI 256 Week 2 Ecosystem
Paper Select an ecosystem in your area (forest, lake, desert, grassland).
Write a 525- to 700-word paper explaining the following: 1)
Describe the structure of your ecosystem including important abiotic
features and dominant plant and animal species. 2) Explain some
functions/processes of your ecosystem including one nutrient cycle and
one food chain. 3) Give two examples of species interactions
(predation, competition, mutualism, etc.) that occur in your ecosystem.
4) Identify an invasive species in your ecosystem. Explain its effects on
the ecosystem and efforts to control or eradicate it. Include two outside
references. Format your paper consistent with APA guidelines. Click the
Assignment Files tab to submit your assignment.
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SCI 256 Week 2 Human Impact on Biogeochemical Cycles Worksheet
(New)
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18. SCI 256 Week 2 Human Impact on Biogeochemical Cycles Worksheet
Complete the Material: Human Impact on Biogeochemical Cycles
Worksheet. Click the Assignment Files tab to submit your assignment.
Human Impact on Biogeochemical Cycles Worksheet Using the
textbooks, the University Library or other resources, answer each of the
following questions in 150- to 300-words. Be sure to provide references
for the sources you use. Question Response Your neighbor faithfully
applies fertilizer to his lawn to ensure beautiful, healthy green grass.
Explain how your neighbor’s fertilizing habit affects at least one nutrient
cycle. Your friend commutes to work every day by driving a standard
gasoline-powered car. Explain how your friend’s commute affects one
or more nutrient cycles. Urban areas typically have lots of pavement and
compacted soils. Explain how these impermeable surfaces affect at least
one aspect of the hydrologic cycle
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SCI 256 Week 2 Individual Assignment Ecosystem Structure, Function,
and Change
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Resource: University Material:Ecosystem Structure, Function, and
Change
For this assignment, you will choose from the following options:
• Option 1: Ecosystem Components Paper

19. • Option 2: Ecosystem Components Video and Summary
Read the instructions in the University Material: Ecosystem Structure,
Function, and Change located on the student website and select one
option to complete the assignment.
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SCI 256 Week 2 Learning Team Assignment Natural Resources and
Energy Team Paper – Plan
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Brainstorm topics and who will cover what part of the Natural Resources
and Energy Team Paper due in Week Three.
Create a written plan of no more than 350 words of how you will
complete the Natural Resources and Energy Team Paper due in Week
Three.
Submit your team’s written plan to your instructor for approval.
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SCI 256 Week 3 DQ 1

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In your community, what aspects of suburban sprawl and urban blight
are evident? Identify how the effects from these might be alleviated.
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SCI 256 Week 3 DQ 2
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What is one major cause of present-day species extinction? Explain how
this extinction came about and what could have been done to prevent it.
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SCI 256 Week 3 DQ 3
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Is your community people- or car-oriented? Why or why not? How does
that affect energy use and sustainability of your community?
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SCI 256 Week 3 DQ 4

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What is a superfund site? Do you have any around your area? How are
they remediated? Are they on a list of some sort?
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SCI 256 Week 3 Learning Team Assignment Natural Resources and
Energy Paper
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Write a 1,400- to 1,750-word paper on natural resources and energy.
Include the following:
· Choose a specific ecosystem, such as a forest, grassland, or a
marine or freshwater aquatic ecosystem.
· Identify impacts associated with agriculture.
· Identify and discuss the effects that a growing human population
may have on that ecosystem’s resources, including loss or harm to
populations of wild species.

22. · Discuss one management practice for sustainability and
conservation of natural resources in that ecosystem.
· Identify the risks and benefits of extracting or using one type of
nonrenewable and one type of renewable energy resource from that
ecosystem, or in areas near that ecosystem.
· Assess management practices for sustainability and conservation
of natural resources and energy.
Include two outside references.
Format your paper consistent with APA guidelines.
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SCI 256 Week 3 Natural Resources Worksheet (New)
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SCI 256 Week 3 Natural Resources Worksheet Complete the Material:
Natural Resources Worksheet. Click the Assignment Files tab to submit
your assignment. Natural Resources Worksheet Complete the following
table: Fossil Fuel Alternative Energy Identify 3 types of both energy
categories and what they are most often used to power. Benefits to using
these energy types Environmental impacts of using these energy types

23. Are these energy types renewable? Explain. Using the textbooks, the
University Library, or other resources answer each of the following
questions in 150- to 300-words. Be sure to provide references for the
sources you use. Question Response Explore water supply and
management in your area using the internet. What is the source of your
municipality’s drinking water? Describe any concerns related to the
quantity and quality of this water source. Explain one thing you can do
in your everyday activities to conserve water. Visit this Fish and
Wildlife Service website (http://www.fws.gov/endangered/) and perform
a search of endangered species for your state. Select one species and
explain why it is endangered and what is being done to help it recover.
What reason(s) for conserving life on Earth found in “A Closer Look
13.3”, pages 299-301, do you find convincing? Explain. Perform an
internet search using the search term “agricultural sustainability article.”
Read one of the articles you find and summarize it in 1-2 paragraphs.
Based on this article and the readings in the text do you think that
current large-scale industrial agricultural practices are sustainable? Why
or why not? Give an example of a more sustainable agricultural practice.
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SCI 256 Week 4 Climate Change Response (New) (2 Papers)
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This Tutorial contains 2 Different Papers SCI 256 Week 4 Climate
Change Response Some people you know say they don't believe that the
climate is changing. After this week's readings, how would you
respond? Write a 525- to 700-word response including: How scientists
learn about past global temperatures and climates. The greenhouse

24. effect. Greenhouse gases and their role in current climate change. One
piece of data scientists offer to show that the climate is changing
globally (see this NASA website:http://climate.nasa.gov/evidence/ ).
Expected impacts of climate change in your area (this EPA website is
very helpful: www3.epa.gov/climatechange/impacts/). Click the
Assignment Files tab to submit your assignment.
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SCI 256 Week 4 DQ 1
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What are some of the causes of both indoor and outdoor air pollution
where you live, work, or attend school? How does this affect that
environment?
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SCI 256 Week 4 DQ 2
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Why do you feel there is debate about policies to reduce greenhouse gas
emissions? How can science help resolve the debate?
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25. SCI 256 Week 4 DQ 3
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What are some of the causes of both indoor and outdoor air pollution
where you live, work, or attend school? How does this affect that
environment?
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SCI 256 Week 4 DQ 4
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Why do you feel there is debate about policies to reduce greenhouse gas
emissions? How can science help resolve the debate?
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SCI 256 Week 4 Environmental Pollution Recommendation (New)
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This Tutorial contains 1 PPT and 1 Paper SCI 256 Week 4
Environmental Pollution Recommendation There is a concern in your
community regarding the environment. You've been tasked to research
and present the concerns to your local or state government. Perform an
internet search to identify an instance of environmental pollution in your

26. state. Create a 5-to 8-slide PowerPoint® presentation or a 350-to 525-
word proposal. Identify the effects of this pollution on human health and
the environment. Explain the causes of this pollution. Recommend ways
to prevent/clean up this type of environmental pollution. Include
appropriate images. Use at least 2 outside references. Format your
presentation and references consistent with APA guidelines. For Local
Campus students, these are oral presentations accompanied by
Microsoft® PowerPoint® presentations. For Online and Directed Study
students, these are Microsoft® PowerPoint® presentations with notes
similar to what you would present orally. Click the Assignment Files tab
to submit your assignment.
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SCI 256 Week 4 Individual Assignment Environmental Pollution
Outline
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Resources: University Material: Environmental Pollution Outline
Complete the Environmental Pollution Outline on the student website.
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SCI 256 Week 4 Individual Assignment Environmental Pollution
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Resource: University Material:Environmental Pollution

27. For this assignment, you will choose from the following options:
· Option 1: Analysis of Global Warming Case Study
· Option 2: Environmental Pollution Scenario Review and
Summary
Read the instructions in the University Material: Environmental
Pollution located on the student website and select one option to
complete the assignment.
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SCI 256 Week 5 Community Sustainability Proposal (New)
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This Tutorial contains 1 PPT and 1 Paper SCI 256 Week 5 Community
Sustainability Proposal Local government leaders have asked you to
provide information and recommendations for increasing sustainability
in the community. Perform an initial search to learn about green
initiatives for a city in your area. Create a 5- to 8-slide PowerPoint®
presentation or Write a 350- to 525-word proposal to your local
government. Include the following: A summary of green initiatives for a
city in your area. Recommendations to your local government for
creating a greener, more sustainable and livable community. The

28. proposal should include recommendations both for actions by the local
government and by individual homeowners. Explain how implementing
these recommendations would promote sustainability and improve like
for residents. Include appropriate images. Include a list of the sources
you use. Format your presentation consistent with APA guidelines. For
Local Campus students, these are oral presentations accompanied by
Microsoft® PowerPoint® presentations. For Online and Directed Study
students, these are Microsoft® PowerPoint® presentations with notes
similar to what you would present orally. Click the Assignment Files tab
to submit your assignment.
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SCI 256 Week 5 DQ 1
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Who should manage the natural resources: legislature, public, scientists,
special interest groups, and why?
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SCI 256 Week 5 DQ 2
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How have environmental regulations implemented by local politicians
affected your daily life? Provide an example.
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29. SCI 256 Week 5 Environmental Analysis Presentation 2 PPT(New)
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This Tutorial contains 2 Different PPT SCI 256 Week 5 Environmental
Analysis Presentation Perform an analysis of an environmental issue.
Prepare a 5- to 8-slide PowerPoint® presentation with detailed speaker
notes. If you first discuss options with your faculty member, you are also
welcome to use a tool such as "Voice Thread" to add audio to your
presentation. Include the following: A description of an environmental
issue including the cause of the issue and its effects on the environment
and people. An explanation of how economics and personal lifestyle
choice are involved in this issue. An explanation of how individuals,
communities, and/or governments are working to address the
environmental issue. Your opinion as to whether the issue is being
adequately addressed and suggestions of ways it could be better
addressed. Include at least 2 outside resources for your presentation.
Format your presentation according to APA guidelines. For Local
Campus students, these are 10- to 15-minute oral presentations
accompanied by Microsoft® PowerPoint® presentations. For Online and
Directed Study students, these are Microsoft® PowerPoint®
presentations with notes. Click the Assignment Files tab to submit your
assignment.
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SCI 256 Week 5 Learning Team Assignment Economic Analysis
Presentation
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Perform an economic analysis of an environmental pollution issue in the
world today.
Prepare a 10- to 15-slide Microsoft® PowerPoint® presentation with
detailed speaker’s notes. Include the following:
• Importance of economic analysis
• Description (general overview) of the assigned environmental issue
• Economic analysis of the environmental issue
o Costs
o Benefits
o Risks
o Limitations
o Problems
• How economic analysis can be used to determine the most effective
and economical regulations or policies (see Ch. 7 of Environmental
Science) to help solve the environmental concern

31. • Description of the impact of lifestyle choices on sustainability
Include two other resources aside from the textbook.
• For Local Campus students, these are 15- to 20-minute oral
presentations accompanied by Microsoft® PowerPoint® presentations.
• For Online and Directed Study students, these are Microsoft®
PowerPoint® presentations with notes.
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