ENVS 1000 Midterm Questions And Answers With Verified Solutions
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ENVS 1000
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ENVS 1000
ENVS 1000 Midterm Questions And Answers With Verified Solutions
Environmental science is the study of the ___________ of the environment. ANS interactions between the biological, chemical, and physical components
An activity that is sustainable is best described as one that _________________. ...
ENVS 1000 Midterm Questions And Answers With
Verified Solutions
Environmental science is the study of the ___________ of the environment. ANS interactions between the
biological, chemical, and physical components
An activity that is sustainable is best described as one that _________________. ANS can be carried out
indefinitely into the future
"Our Common Future," written by the Brundtland Commission, attempted to ______________. ANS evaluate
environmental impacts of industrialization and encourage more sustainable paths for economic development
Which of the following would be considered a renewable resource? ANS Cattle
Of the following, which is the best research hypothesis for the question "Does flower color affect how attractive the
flowers are to bees?" ANS Light colored flowers will attract more bees than dark colored flowers.
A scientific theory is best described as a(n) _________________. ANS widely supported scientific explanation
What is the role of creativity in science? ANS Scientists must be creative in order to design appropriate
experiments and think critically about unexpected results.
To be valid, a scientific observation needs to be _____________. ANS accurate and repeatable
____________ experiments are those that involve the use of observations on a group that receives the same
manipulations as the treatment group except for the one factor being studied or varied. ANS Controlled
What is the role of statistics in science? ANS Statistics are used to determine whether the observed results of
an experiment represent meaningful mathematical differences.
Why are models often used in environmental science? ANS Mathematical models are used to help make
decisions by predicting how conditions may change over time, Models allow environmental scientists to study
complicated systems where many different processes are occurring simultaneously.
,Which one of the following best describes the scientific peer review process? ANS Scientists anonymously
evaluate the research of another scientist.
Pseudoscience is ____________ ANS not published in peer-reviewed journals
You should be skeptical of scientific claims if ____________. ANS they have not and will not go through the
peer-review process
Which one of the following would be an emergent property of a prairie? ANS The formation of thick, fertile
soils
A scientist is said to be "uncertain" when they ____________ ANS are less than 100% certain
Which of the following best illustrates quantitative data? ANS Your IQ
A forestry company wants to carry out a sustainable harvest from a forest in the Pacific Northwest and needs to
establish how many trees can be sustainably harvested each year. Which of the following statements describes a
scientifically valid approach to answering this question? ANS Measure how many trees naturally regenerate
each year, and then make sure the harvest removes no more than the number of trees that would naturally
regenerate
There are numerous satellites that circle Earth generating images of the planet and measuring the composition of
the atmosphere. Is this information important to environmental science and, if so, why? ANS Yes, it is
important to environmental science because these observations provide the information needed to generate
hypotheses.
Imagine walking into a store and seeing an advertisement stating a new product is produced sustainably and will
cause no harm to the environment. If you were to go about testing the validity of these claims for a class, which of
the following would be the best approach? ANS Imagine walking into a store and seeing an advertisement
stating a new product is produced sustainably and will cause no harm to the environment. If you were to go about
testing the validity of these claims for a class, which of the following would be the best approach?
Mathematical and computer models are often used in environmental science. Which of the following is an accurate
statement about the usefulness of these models? ANS Models are one of several ways that environmental
science can test hypotheses that are otherwise too complex to examine in experiments.
, Environmental science often focuses on the study of complex systems. What does this mean for the generation of
scientific theories related to environmental problems? ANS A scientific theory can be generated in
environmental science, but many studies must be conducted and these studies must provide support for the
theory.
Which of the following can be used to help untangle patterns in complex data sets? ANS Statistics
Pathogens are one of the major sources of environmental risks. Which of the following is a pathogen? ANS The
chickenpox virus
Risk is often presented as ________, which is a measure of the statistical likelihood that something will occur.
ANS probability
The environmental transition model predicts that as countries start to become more economically developed, the
risk of preventable diseases_____________
, and the impact of overconsumption of food and tobacco______________ ANS decreases, increases
Advocates of environmental justice seek which of the following? ANS Risks related to development that are
spread evenly across all populations
Which statements represent problems with traditional toxicity testing? ANS Conventional approaches do not
account for interactions between multiple chemicals that humans may be exposed to at the same time.,
Conventional approaches are conducted on animals, whose responses to the chemical may differ from human
responses., Conventional approaches are expensive, time-consuming, and controversial.
Which of the following is a chronic effect of exposure to a toxin? ANS Lung cancer
Which of these are part of the risk assessment process? ANS Establishing how much of a health threat is caused
by the potential hazard at different concentrations, Identifying a potential hazard, evaluating how likely it is for a
person to come into contact with the potential hazard
Strong acids are classified as __________. ANS corrosive
Carcinogens __________ ANS cause uncontrolled cell growth
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