Question 1

Which of the following best describes the concept of 'ecological footprint' as it relates to your daily life?

Accepted Answer

The total area of land and water required to produce the resources you consume and absorb your waste.

Question 2

If every US citizen ate one local/organic meal per week, the country would reduce oil consumption by 1.1 million barrels per week. Which of the following best explains why?

Accepted Answer

Local/organic meals require less packaging and transportation, reducing fossil fuel use.

Question 3

Which energy source provides the largest share of Oregon's electricity, according to the provided data?

Accepted Answer

Hydro

Question 4

A pound of beef requires 1,857 gallons of water and 7 pounds of corn to produce. If a family of four eats 2 pounds of beef per week, how much water is used for their beef consumption in a year? $$Water = 2 	imes 1,857 	imes 52$$

Accepted Answer

$$193,128$$ gallons

Question 5

Shrimp trawling is considered unsustainable primarily because:

Accepted Answer

It results in a high bycatch rate, capturing 3-15 pounds of non-target species for every pound of shrimp.

Question 6

Which of the following actions would most directly reduce your personal impact on water resources?

Accepted Answer

Switching from beef to chicken in your diet.

Question 7

If Oregon's electricity resource mix is 38.74% hydro and 35.46% coal, what is the combined percentage of these two sources? $$Total = 38.74 + 35.46$$

Accepted Answer

$$74.2\%$$

Question 8

Which of the following is a direct ecological benefit of eating locally grown food?

Accepted Answer

It reduces the carbon footprint associated with food transportation.

Question 9

A seafood consumer wants to minimize their impact on marine ecosystems. Which resource would best help them make sustainable choices?

Accepted Answer

Monterey Bay Aquarium Seafood Watch

Question 10

Which of the following departments is least likely to offer courses directly related to ecology?

Accepted Answer

Mechanical Engineering

Question 11

If a pound of chicken requires 469 gallons of water and 2.6 pounds of corn, how much water is needed to produce 10 pounds of chicken? $$Water = 469 	imes 10$$

Accepted Answer

$$4,690$$ gallons

Question 12

Which of the following best describes 'bycatch' in the context of commercial fishing?

Accepted Answer

Non-target species that are unintentionally caught during fishing operations.

Question 13

Which of the following is a likely consequence of high bycatch rates in shrimp trawling?

Accepted Answer

Decreased populations of non-target marine species.

Question 14

Which of the following is NOT a direct question you should ask to assess your personal impact on the environment?

Accepted Answer

How much time do you spend outdoors?

Question 15

If you want to volunteer or work in ecology-related research, which of the following is the best first step?

Accepted Answer

Contact academic departments such as Zoology or Environmental Sciences for opportunities.

Question 16

Which of the following best explains why hydroelectric power is considered more sustainable than coal?

Accepted Answer

Hydroelectric power produces fewer greenhouse gas emissions.

Question 17

If a city draws its water from a river and treats it at a plant before distribution, which process is this an example of?

Accepted Answer

Municipal water treatment

Question 18

Which of the following is a real-world example of how individual choices can collectively impact national resource consumption?

Accepted Answer

If every US citizen ate one local/organic meal per week, oil consumption would decrease by 1.1 million barrels per week.

10.2 Introduction to Ecology: Human Impacts and Resource Use

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