EVR 1001 HW 1 Exam 1 Complete Actual
set with Questions and correct/verified
Answers
(Graph given)
Part A - Data indicate that we have overshot Earth's biocapacity -- its capacity to support us -- by 50%.
We are using renewable natural resources 50% faster than they are being replenished.
About how many times larger was the global ecological footprint in 2007 than it was in 1962?
Part B - Which two statements are supported by the data in the graph? - ANSWER-Part A - 2
Part B - In 1970, we began to overshoot Earth's capacity to support us.
The global ecological footprint has generally increased over time, with brief periods of decrease.
Which of the following terms best describes the practice of environmental science? - ANSWER-
Integrative and interdisciplinary
Which of the following is the study of how the natural world works, how our environment affects us, and
how we affect our environment? - ANSWER-Environmental science
A(n) __________ expresses environmental impact in terms of the cumulative area of land and water
required to provide the resources a person consumes - ANSWER-Ecological footprint
Which of the following can be depleted if overused? - ANSWER-Fresh water
(Graph given)
Part A - According to the graph with the linear scale, the population reached 8 billion individuals after
approximately _____ generations.
Part B - According to the graph with the logarithmic scale, after 200 generations the population had
Part C - Comparing the graphs with the linear and logarithmic scales at 400 generations shows that:
Part D - Suppose that the initial population was 10, but the growth rate was 5% (instead of 2.3%). How
would the linear-scale graph differ?
Part E - Suppose that the initial population was 10, but the growth rate was 5% (instead of 2.3%). How
would the logarithmic-scale graph differ?
Part F - Which statement is true about the pros and cons of representing data on the two graph scales? -
ANSWER-Part A - 900
Part B - 1,000 individuals
, Part C - Although you cannot read the exact value from the linear-scale graph, the population size is the
same, just shown with different scales.
Part D - The linear graph would show rapid population growth beginning at an earlier generation.
Part E - The logarithmic graph line would have a greater slope than the graph shown.
Part F -The linear-scale graph clarifies the timing of rapid population growth while the logarithmic-scale
graph simplifies identifying actual population sizes as a population goes from quite small to quite large.
Nonrenewable natural resources include ________. - ANSWER-Coal, crude oil, and minerals
(Graph given)
Part A - How many citizens of Haiti does it take to equal the ecological footprint of the average citizen of
the United States?
Part B - Nearly 50% of the land on our planet is currently used for agriculture, with very little more
agriculturally usable land available. If everyone on the planet had an ecological footprint the size of the
average citizen of the United States, then ________.
Part C - The U.S. average footprint is ________ times larger than the world average footprint.
Part D - The global average footprint per person has increased from 2.2 to 2.7 hectares since 2008,
including the footprints of many developing nations, such as India and China. This means that ________.
- ANSWER-Part A - 12 citizens
Part B - we would need at least two more planet Earths to feed and support everyone
Part C - 2.7
Part D - our collective lifestyle is even more unsustainable than before
Global population is projected to be about ________ in 2050. - ANSWER-9 billion
In scientific research, the strongest form of evidence comes from __________. - ANSWER-
Experimentation
In a controlled experiment, if a researcher wants to examine the effect of radon exposure to rat
longevity, which one would be the independent variable? - ANSWER-Radon exposure
The main advantage of observational studies and natural experiments over manipulative studies is that
natural experiments __________. - ANSWER-Are able to test hypotheses in the field and with large study
areas
If a scientist travels to the rain forest to observe and catalog new species, he or she would be conducting
__________. - ANSWER-Descriptive science
set with Questions and correct/verified
Answers
(Graph given)
Part A - Data indicate that we have overshot Earth's biocapacity -- its capacity to support us -- by 50%.
We are using renewable natural resources 50% faster than they are being replenished.
About how many times larger was the global ecological footprint in 2007 than it was in 1962?
Part B - Which two statements are supported by the data in the graph? - ANSWER-Part A - 2
Part B - In 1970, we began to overshoot Earth's capacity to support us.
The global ecological footprint has generally increased over time, with brief periods of decrease.
Which of the following terms best describes the practice of environmental science? - ANSWER-
Integrative and interdisciplinary
Which of the following is the study of how the natural world works, how our environment affects us, and
how we affect our environment? - ANSWER-Environmental science
A(n) __________ expresses environmental impact in terms of the cumulative area of land and water
required to provide the resources a person consumes - ANSWER-Ecological footprint
Which of the following can be depleted if overused? - ANSWER-Fresh water
(Graph given)
Part A - According to the graph with the linear scale, the population reached 8 billion individuals after
approximately _____ generations.
Part B - According to the graph with the logarithmic scale, after 200 generations the population had
Part C - Comparing the graphs with the linear and logarithmic scales at 400 generations shows that:
Part D - Suppose that the initial population was 10, but the growth rate was 5% (instead of 2.3%). How
would the linear-scale graph differ?
Part E - Suppose that the initial population was 10, but the growth rate was 5% (instead of 2.3%). How
would the logarithmic-scale graph differ?
Part F - Which statement is true about the pros and cons of representing data on the two graph scales? -
ANSWER-Part A - 900
Part B - 1,000 individuals
, Part C - Although you cannot read the exact value from the linear-scale graph, the population size is the
same, just shown with different scales.
Part D - The linear graph would show rapid population growth beginning at an earlier generation.
Part E - The logarithmic graph line would have a greater slope than the graph shown.
Part F -The linear-scale graph clarifies the timing of rapid population growth while the logarithmic-scale
graph simplifies identifying actual population sizes as a population goes from quite small to quite large.
Nonrenewable natural resources include ________. - ANSWER-Coal, crude oil, and minerals
(Graph given)
Part A - How many citizens of Haiti does it take to equal the ecological footprint of the average citizen of
the United States?
Part B - Nearly 50% of the land on our planet is currently used for agriculture, with very little more
agriculturally usable land available. If everyone on the planet had an ecological footprint the size of the
average citizen of the United States, then ________.
Part C - The U.S. average footprint is ________ times larger than the world average footprint.
Part D - The global average footprint per person has increased from 2.2 to 2.7 hectares since 2008,
including the footprints of many developing nations, such as India and China. This means that ________.
- ANSWER-Part A - 12 citizens
Part B - we would need at least two more planet Earths to feed and support everyone
Part C - 2.7
Part D - our collective lifestyle is even more unsustainable than before
Global population is projected to be about ________ in 2050. - ANSWER-9 billion
In scientific research, the strongest form of evidence comes from __________. - ANSWER-
Experimentation
In a controlled experiment, if a researcher wants to examine the effect of radon exposure to rat
longevity, which one would be the independent variable? - ANSWER-Radon exposure
The main advantage of observational studies and natural experiments over manipulative studies is that
natural experiments __________. - ANSWER-Are able to test hypotheses in the field and with large study
areas
If a scientist travels to the rain forest to observe and catalog new species, he or she would be conducting
__________. - ANSWER-Descriptive science
