ESCI 101 Exam 1 Question and answers
100% correct 2025
Recent reports on the status of the Puget Sound have shown that - correct
answer ✔all of the above
Summing all ecosystem goods and services, the most valuable habitat, or
cover type, in terms of $/acre/ year in the Puget Sound is (based on the
highest estimates) - correct answer ✔old growth forests
The method in which one determines the value of an ecosystem service by
calculating how much it would cost for humans and technology to replicate
that service in it's absence is called - correct answer ✔the replacement cost
method
The most valuable ecosystem service that salt marshes provide to the people
of the puget sound is - correct answer ✔disturbance regulations
The authors of this report conclude that large scale investments and better
land use, to protect and restore the ecological capital and processes of the
Puget Sound Basin are clearly justified to maintain and expand the vast value
of Puget Sound natural assets. - correct answer ✔True
The city of Tacoma was able to avoid the 150 million cost of building a water
filtration plant by - correct answer ✔protecting the pristine, forested
watersheds that provide water purification services for free
In Garret Hardin's paper, the village commons provided what ecosystem
service above all others? - correct answer ✔Habitat
, The authors of this report caution that their estimates for the total value of
ecosystem goods and services in the Puget Sound is likely low because -
correct answer ✔there are large data gaps that did not allow for the
calculation of all cover type ecosystem service combinations
Which of the ecosystem services is the most difficult to place a dollar value
on? - correct answer ✔Spiritual
Photosynthesis, the conversion of sunlight energy into food by plants is an
example of what kind of ecosystem service? - correct answer ✔primary
productivity
Many ecosystems are non-excludable. - correct answer ✔True.
The productive infrastructure of technologies, machines, tools, and transport
that humans design, build, and use for productive purposes is known as: -
correct answer ✔built capital
With regards to the earth's carrying capacity (the earth's ability to sustain
human life), Hardin suggests that - correct answer ✔it is not possible to
maximize population numbers and human comfort
What are the "commons" in Hardin's classic example of the Tragedy of the
Commons? - correct answer ✔Pasture land for cattle
In the Tragedy of the Commons example that Hardin discusses in his essay,
the first immediate effect of the first farmer adding one more cow to the
commons - correct answer ✔slightly reduces the value of all cows in the
commons and the ruin comes later
100% correct 2025
Recent reports on the status of the Puget Sound have shown that - correct
answer ✔all of the above
Summing all ecosystem goods and services, the most valuable habitat, or
cover type, in terms of $/acre/ year in the Puget Sound is (based on the
highest estimates) - correct answer ✔old growth forests
The method in which one determines the value of an ecosystem service by
calculating how much it would cost for humans and technology to replicate
that service in it's absence is called - correct answer ✔the replacement cost
method
The most valuable ecosystem service that salt marshes provide to the people
of the puget sound is - correct answer ✔disturbance regulations
The authors of this report conclude that large scale investments and better
land use, to protect and restore the ecological capital and processes of the
Puget Sound Basin are clearly justified to maintain and expand the vast value
of Puget Sound natural assets. - correct answer ✔True
The city of Tacoma was able to avoid the 150 million cost of building a water
filtration plant by - correct answer ✔protecting the pristine, forested
watersheds that provide water purification services for free
In Garret Hardin's paper, the village commons provided what ecosystem
service above all others? - correct answer ✔Habitat
, The authors of this report caution that their estimates for the total value of
ecosystem goods and services in the Puget Sound is likely low because -
correct answer ✔there are large data gaps that did not allow for the
calculation of all cover type ecosystem service combinations
Which of the ecosystem services is the most difficult to place a dollar value
on? - correct answer ✔Spiritual
Photosynthesis, the conversion of sunlight energy into food by plants is an
example of what kind of ecosystem service? - correct answer ✔primary
productivity
Many ecosystems are non-excludable. - correct answer ✔True.
The productive infrastructure of technologies, machines, tools, and transport
that humans design, build, and use for productive purposes is known as: -
correct answer ✔built capital
With regards to the earth's carrying capacity (the earth's ability to sustain
human life), Hardin suggests that - correct answer ✔it is not possible to
maximize population numbers and human comfort
What are the "commons" in Hardin's classic example of the Tragedy of the
Commons? - correct answer ✔Pasture land for cattle
In the Tragedy of the Commons example that Hardin discusses in his essay,
the first immediate effect of the first farmer adding one more cow to the
commons - correct answer ✔slightly reduces the value of all cows in the
commons and the ruin comes later
