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Exam 3

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kemp exam 3
Nora Kiernan
Quiz por Nora Kiernan, atualizado more than 1 year ago
Nora Kiernan
Criado por Nora Kiernan mais de 6 anos atrás
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Resumo de Recurso

Questão 1

Questão
As atmospheric concentrations of CO2 increase, ______ CO2 dissolves into the oceans making the oceans more ________.
Responda
  • Less; basic
  • more; basic
  • less; acidic
  • more; acidic

Questão 2

Questão
Burning coal, oil, and natural gas as an energy source moves carbon from the _____ carbon cycle to the _____ carbon cycle.
Responda
  • fast, fast
  • fast, slow
  • slow, fast
  • slow, slow

Questão 3

Questão
Which type of power plant produces the most CO2 emissions
Responda
  • Coal
  • They produce the same amount
  • Natural Gas

Questão 4

Questão
Humans burn coal, petroleum, and natural gas to release energy and do lots of work. What is the original source of energy that is stored in coal, petroleum, and natural gas?
Responda
  • The energy released by burning coal, petroleum, and natural gas was originally captured by ocean waves.
  • The energy released by burning coal, petroleum, and natural gas was originally captured when the moon split from the Earth.
  • The energy released by burning coal, petroleum, and natural gas was originally captured from the core of the planet.
  • The energy released by burning coal, petroleum, and natural gas was originally captured by ancient photosynthetic organisms.

Questão 5

Questão
Ocean dwelling invertebrates and salt-water fish are two groups of animals that are experiencing very high extinction rates over the past 150 years. Which of the following statements could help explain why species of both ocean dwelling invertebrates and salt-water fish are going extinct.
Responda
  • Due to increased greenhouse gasses, there is more sunlight hitting the ocean and ocean temperatures are rising.
  • More rain due to increased amounts of water vapor in the atmosphere.
  • Underwater volcanos are erupting more than at any other time in Earth’s history.
  • Changing ocean pH due to increased atmospheric CO2 levels.

Questão 6

Questão
Up to 40% of fresh water fish species are threatened or already extinct. Which of the following factors is contributing to the increased rate of fresh water fish species extinction?
Responda
  • Increasing human demand on fresh-water sources
  • The damming of rivers
  • Spread of Invasion species
  • All of the above

Questão 7

Questão
Which of the following carbon reservoirs has the MOST carbon in it?
Responda
  • Carbon in the deep earth in sediment and rocks
  • carbon in the oceans
  • carbon in the atmosphere
  • carbon in the topsoil

Questão 8

Questão
Carbon that is captured in an organic molecule made during photosynthesis and enters the food web is considered to be part of which carbon cycle?
Responda
  • slow carbon cycle
  • fast carbon cycle
  • edible carbon cycle
  • sinister carbon cycle

Questão 9

Questão
Which of the following carbon reservoirs has the least carbon in it
Responda
  • carbon in the deep earth in sediment and rocks
  • carbon in the oceans
  • carbon in the atmosphere
  • carbon in the top soil

Questão 10

Questão
The slow carbon cycle describes carbon moving through these different forms and reservoirs. It typically takes a carbon molecule how long to move through these different reservoirs?
Responda
  • A few hundred years
  • hundreds of years
  • thousands of years
  • several hundred thousand years
  • many millions of years

Questão 11

Questão
All of the following affect atmospheric carbon concentrations except
Responda
  • how much fossil fuel is being burnt
  • dissolved carbon dioxide in the oceans
  • overall photosynthesis rates
  • how much carbon is entering the earth from the moon

Questão 12

Questão
Which of the following events do we think was a triggering event for a mass extinction?
Responda
  • a large meteorite striking the planet
  • rapid changes ocean pH
  • volcanic activity
  • rapid changes in average global temperatures
  • all of the above

Questão 13

Questão
How can we determine extinction rates that occurred many millions of years ago?
Responda
  • By asking the species that lived through it
  • By examining the fossil record
  • By determine atmospheric conditions
  • There is a record of extinctions kept in the rings of trees

Questão 14

Questão
True or False: approximately 50% of the species that have ever lived on the earth are currently alive
Responda
  • True
  • False

Questão 15

Questão
Over the course of life’s history on planet Earth, how many mass extinctions have taken place?
Responda
  • 2
  • 3
  • 4
  • 5
  • 6

Questão 16

Questão
How does the rate of new species forming change in the few millions of years following a mass extinction event?
Responda
  • Due to a lack of competition, there tends to be an increase in the rate of new species evolving after a mass extinction event.
  • The rate of new species evolution does not change before or after a mass extinction event
  • Due to a lack food, there tends to be a decrease in the rate of new species evolving after a mass extinction event

Questão 17

Questão
The age of the dinosaurs ended with the K-PG extinction event. This extinction event was triggered approximately how many millions of years ago?
Responda
  • 65 million
  • 200 million
  • 250 million
  • 360 million
  • 430 million

Questão 18

Questão
As mass extinction is when _________ or more of the living species die off within a short period of time (typically two million years or less)
Responda
  • 25%
  • 50%
  • 75%
  • 90%

Questão 19

Questão
With declining population number in plant and animal species, as well as increased rates of species extinctions, food webs and trophic levels become ________ stressed and move ______ collapsing.
Responda
  • more, farther from
  • more, closer to
  • less, farther from
  • less, closer to

Questão 20

Questão
Atmospheric concentrations of carbon dioxide have _________ over the past 500 million years.
Responda
  • held steady
  • only increased
  • only decreased
  • gone through periods of increasing and decreasing

Questão 21

Questão
Clearcutting a forest to make pastures for grazing cattle
Responda
  • can cause a decrease in atmospheric CO2 concentrations.
  • does not affect atmospheric CO2 concentrations.
  • Can cause an increase in atmospheric CO2 concentrations.

Questão 22

Questão
True or False: The choices consumers in America make have no effect on land usage in other countries.
Responda
  • True
  • False

Questão 23

Questão
Since 1976 humans have been cutting down forests (deforestation) faster than we have been planting new forests (reforestation). If we reversed this trend and created an economy where it was more profitable to plant new forests than chop down forests, we would expect atmospheric CO2 concentrations to
Responda
  • decrease
  • stay the same
  • increase

Questão 24

Questão
Invasive vine species can take over a forest, replacing hardwood tree species. Vines store _______ carbon in their bodies than hardwood trees
Responda
  • more
  • same
  • less

Questão 25

Questão
The Great Acceleration started in the 1950s and continues to this day. The Great Acceleration is marked by increased:
Responda
  • damming of rivers
  • human population
  • fertilizer use
  • paper production
  • all of the above are correct

Questão 26

Questão
which kills the most birds in a year
Responda
  • wind turbines
  • cell and radio towers
  • domesticated cats

Questão 27

Questão
Geologists and ecologists now agree that we are in a new geologic era that started in the 1950s. This era is called the
Responda
  • Uhohocene
  • holocene
  • anthropocene
  • humanocene

Questão 28

Questão
which protein source produces the most CO2 emissions per serving
Responda
  • Cheese
  • Beef
  • Pork
  • Beans
  • Poultry

Questão 29

Questão
The election in 2020 will be the first time since the 1980s that the baby boomers are not the largest voting demographic. Which generation is set to overtake the baby boomers?
Responda
  • Millennials
  • Generation Z
  • The silent generation
  • Generation X

Questão 30

Questão
True or False: Atmospheric carbon dioxide can diffuse into the oceans, changing the pH of the oceans.
Responda
  • True
  • False

Questão 31

Questão
Which sector of the American economy produces the most CO2 emissions?
Responda
  • Residential and commercial production
  • waste disposal treatment
  • power station
  • farming

Questão 32

Questão
Between 20-35% of the land plant species on the planet are threatened with extinction. A contributing factor to this situation is
Responda
  • ocean acidification
  • Farming
  • Increasing atmospheric CO2
  • Increasing average global temperatures

Questão 33

Questão
Plants species are going extinct at a high rate. As more and more plant species go extinct and the total photosynthesis rates on the planet decreases, we expect atmospheric CO2 concentrations to
Responda
  • decrease
  • increase
  • stay the same

Questão 34

Questão
Is earth in the currently in the midst of a mass extinction event
Responda
  • no
  • yes

Questão 35

Questão
While the slope of the keeling curve is increasing, there are seasonal differences in global atmospheric CO2 concentrations during the year. Which of the following statements best explains why there are differences in total planetary levels of photosynthesis during the year?
Responda
  • The temperatures during the summer months get warmer in the southern hemisphere than the northern hemisphere, so there is more photosynthesis in the southern hemisphere summer.
  • There is more land and plants in the northern hemisphere, so there is more photosynthesis during the northern hemisphere summer.
  • The seasonal differences in global atmospheric CO2 concentrations have nothing to do with photosynthesis.

Questão 36

Questão
Since 1958 atmospheric CO2 concentrations have been increasing. Recently, the average annual global temperatures have been ___________.
Responda
  • decreasing
  • holding steady
  • increasing

Questão 37

Questão
The 30% increase in atmospheric CO2 concentrations over the past 60 years is primarily due to
Responda
  • more carbon entering the atmosphere from the sun
  • the removal of the trees so less CO2 is being used in photosynthesis
  • the burning do fossil fuels that release geologically stored carbon as CO2 gas
  • slowing down of the carbon cycle

Questão 38

Questão
True or False: Most models of human activity suggest that atmospheric concentration of CO2 will decrease over the next 20 years.
Responda
  • True
  • False

Questão 39

Questão
True or false: there is a direct correlation between increasing atmospheric CO2 concentrations and increasing average global tempures
Responda
  • True
  • False

Questão 40

Questão
Over the past 800,000 years, global average annual temperatures have
Responda
  • held steady
  • only increased
  • only decreased
  • gone through period of increasing and decrasing

Questão 41

Questão
Select the gases that are not considered greenhouse gases:
Responda
  • CH4
  • CO2
  • H2O vapor
  • N2O
  • they are all considered greenhouse gasses

Questão 42

Questão
How would you expect things to different if the earth atmosphere did not contain any greenhouse gasses?
Responda
  • The planet would be warmer than current conditions
  • The planet world be cooler than current conditions
  • The planet would be the same as current conditions

Questão 43

Questão
Greenhouse gases in the atmosphere affect average annual global temperatures by:
Responda
  • affecting how more solar evergy absorbing by the surface of the earht
  • blocking out the sun from plants and determining how much photosynthesis happens
  • causing more or less total sunlight reaching the earths surface
  • determining how much energy that is emitted by the earth is reflected back to the planet

Questão 44

Questão
Increasing the concentration of greenhouse gases in the atmosphere causes an _________ in average annual global temperatures.
Responda
  • increase
  • decrease

Questão 45

Questão
Over 50% of known mammal species are declining in population and over 20% of mammal species are already classified as endangered, threatened, or vulnerable. The single factor that has contributed the most to the decline in mammalian numbers is
Responda
  • the spread of invasive species
  • increasing CO2 concentrations
  • loss of habitat
  • meteorites

Questão 46

Questão
When a plant dies and the plant body decomposes to become part of the soil carbon is moved from the fast carbon cycle to the slow carbon cycle. Which plants are best at removing carbon from the fast carbon cycle?
Responda
  • Grasses that grow fast and die young.
  • Flowering plants that support a diverse ecosystem.
  • Vines that do not require lots of supporting tissues.
  • Hardwood trees that build massive bodies.

Questão 47

Questão
True or False: The deep ocean carbon reservoir contains lots of organic carbon from dead sea creatures.
Responda
  • true
  • false

Questão 48

Questão
How does the process of photosynthesis, which is also the primary production of all ecosystems, affect atmospheric CO2 concentrations?
Responda
  • Photosynthesis decreases atmospheric CO2 concentrations.
  • Photosynthesis does not affect atmospheric CO2 concentrations.
  • Photosynthesis increases atmospheric CO2 concentrations.

Questão 49

Questão
Null question
Responda
  • kemp messed up
  • Kemp messed up

Questão 50

Questão
Freebie- just pick an answer-Select one item from choices that you plan on doing to help reduce your carbon footprint.
Responda
  • Turn off lights and computers when not in use to reduce electric consumption.
  • Eat more locally grown food.
  • Advocate on the Marquette campus for more sustainable practices.
  • When you buy a car, you plan on buying an electric car.

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