Questions from class/quizzes Test 3 Flashcards

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1
Q

The sum total of all of Earth’s ecosystems is called the:

biosphere.

biome.

population.

habitat

A

biosphere

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2
Q

At Yellowstone National Park, the elk, deer, wolves, buffalo, willow and aspen trees, squirrels, birds, worms, bugs, wildflowers, mosses and other living species who live there make up the park’s:

community.

biosphere.

ecosystem.

population

A

community

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3
Q

Which of the following would be considered an ecosystem?

the starfish in a tidal pool

the Everglades swamp

sunflowers in a field

the wolves found in Yellowstone National Park

A

the Everglades swamp

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4
Q

You are an ecologist studying a group of trout living in the same area of a river. You are working with which level of organization?

biome

individual

community

population

A

population

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5
Q

Which of the following is true of matter cycles and energy flow on Earth?
VERY IMPORTANT

A) Energy can enter and leave Earth.

B) Energy can only enter but not leave Earth.

C) Matter can enter and leave Earth.

D) Matter cannot enter but can only leave Earth.

A

A) Energy can enter and leave Earth.

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6
Q

Biomes are specific portions of the biosphere determined by:

A) the diversity of the ecological community that lives there.

B) how many different species live there.

C) climatic factors such as precipitation and temperature.

D) which animals live there

A

C) climatic factors such as precipitation and temperature.

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7
Q

Which biome has the widest range of temperature?

a tropical rainforest

a tundra

a desert

a savannah

A

a desert

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8
Q

The process used by producers to convert solar energy into chemical energy is:

cellular respiration.

nitrogen fixation.

photosynthesis.

nitrification.

A

photosynthesis.

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9
Q

What happens during the process of cellular respiration?

A) nitrogen is converted from atmospheric nitrogen into ammonia

B) ammonia is converted into nitrate

C) energy from the sun is converted into sugar and oxygen

D) sugar molecules are broken down to release energy

A

D) sugar molecules are broken down to release energy

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10
Q

Which of the following organisms is classified a producer?

rabbits

humans

cows

corn

A

corn

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11
Q

Most freshwater on Earth is found in

A) groundwater (aquifers).

B) the oceans.

C) glaciers and ice caps.

D) surface waters (rivers and lakes).

A

C) glaciers and ice caps.

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12
Q

Climate scientists say freshwater in some states may become even more scarce in the future due to

A) increased pollution from an increase in range of bacterial outbreaks and waterborne diseases due to climate change.

B) increased pollution from deposition on snowpack that melts to fill water sources.

C) droughts as a result of climate change.

D) flooding as a result of intense storms due to climate change.

A

C) droughts as a result of climate change.

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13
Q

The release of water vapor from plants is a major source of atmospheric moisture. This process is called

condensation.

oxidation.

transpiration.

evaporation.

A

transpiration.

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14
Q

How do aquifers naturally get more water?

A) Water is pumped in from nearby rivers or oceans.

B) Water washes in from rivers and streams.

C) Water fills from the bottom up from deep underground pools.

D) Water enters by soaking into the ground

A

D) Water enters by soaking into the ground

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15
Q

Which sector uses the most water?

agriculture

municipal

industry

domestic

A

agriculture

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16
Q

The federal law that protects public drinking water supplies in the U.S. is the

Safe Drinking Water Act.

Water Wars Act.

Clean Water Act.

No Water Pollution Act

A

Safe Water Drinking Act

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17
Q

What is a disadvantage of ensuring ample water supply by using a dam?

A) Dams provide flood control.

B) Dams can provide recreation.

C) Much water is lost from evaporation.

D) Dams can generate electricity.

A

C) Much water is lost from evaporation.

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18
Q

Which of the following is an example of indirect use of water?

buying a cotton T-shirt

flushing the toilet

taking a short shower

filling a pot with water to make pasta

A

buying a cotton t shirt

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19
Q

What is the main cause of ocean acidification?

A) years of waste material that has been dumped into the oceans from large ships

B) the dissolution (dissolving) of sea shells of marine organisms

C) CO2 from the burning of fossil fuels

D) industrial pollution from chemical companies

A

C) CO2 from the burning of fossil fuels

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20
Q

Which of the following is an effect of ocean acidification?

A) Marine organisms can make thicker shells.

B) There is a buildup of excess calcium carbonate (CaCO3) in ocean water.

C) It is easier for marine shelled organisms to make their shells.

D) It leads to the breakdown of shells.

A

D) It leads to the breakdown of shells.

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21
Q

The biodiversity found in coral reefs is analogous to the biodiversity of what terrestrial biome?

tundra

tropical rainforest

desert

boreal forest

A

tropical rainforest

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22
Q

Which zone of the ocean has the least amount of known biodiversity?

the hadal zone

the epipelagic zone

the intertidal zone

the mesopelagic zone

A

the hadal zone

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23
Q

What is true of corals?

A) Corals rely on a facultative mutualistic relationship.

B) Corals are marine animals.

C) Corals photosynthesize to produce their food.

D) Corals are marine plants.

A

B) Corals are marine animals.

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24
Q

T/F- Corals rely on a obligate mutualistic relationships to survive

A

True

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25
Q

If a coral reef becomes bleached, it

A) is entering a new metamorphic stage that allows it to grow larger and colonize new areas.

B) is preparing to reproduce.

C) has lost its resident algae and will die if it cannot take up new algae.

D) is dead.

A

C) has lost its resident algae and will die if it cannot take up new algae.

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26
Q

Which of the following is not the correct pair of an issue and concern?

A) Mercury bioaccumulation and Minamata Bay Disease.

B) Ocean acidification and coral reefs.

C) Excessive nutrients and algal blooms.

D) Plastics and eutrophication.

A

D) Plastics and eutrophication.

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27
Q

Which group of Americans experiences a higher rate of food insecurity than the general population?

college students

veterans

people living in rural areas

senior citizens

A

college students

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28
Q

Which of the following is true of food deserts?

A) Food deserts are often found in low-income areas that lack traditional grocery stores.

B) Food deserts were primarily an issue during the Great Depression, and have decreased since then.

C) Urban areas with public transportation do not have food deserts.

D) As long as any type of food is accessible, the location is not considered a food desert.

A

A) Food deserts are often found in low-income areas that lack traditional grocery stores.

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29
Q

What is TRUE of malnourishment?

A) It can occur when people get enough calories, but not enough of one or more key nutrients.

B) People who get too many calories cannot be malnourished.

C) It only happens when a person doesn’t get enough calories.

D) Malnourishment is only a problem of food quantity.

A

A) It can occur when people get enough calories, but not enough of one or more key nutrients.

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30
Q

The Green Revolution depended on

A) traditional farming techniques such as contour farming and crop rotation.

B) the use of high-yielding crop varieties.

C) increasing the diversity of crops planted on a given plot to maximize productivity per acre.

D)maximizing profits and production.

A

B) the use of high-yielding crop varieties.

31
Q

Reliance on monoculture crops has led to a decrease in

increased irrigation.

synthetic fertilizers.

high-yield varieties.

genetic diversity.

A

genetic diversity

32
Q

Which of the following is considered a disadvantage of industrial farming?

A) Monocultures are more vulnerable to pests.

B) Crops cannot be grown on nutrient-poor soil.

C) It is more labor intensive than other farming methods.

D) It has lower yields per acre than traditional farming

A

A) Monocultures are more vulnerable to pests.

33
Q

An organism whose own genes have been edited but no new DNA has been introduced is known as

an intergenic organisms.

a cisgenic organism.

an intragenic organism.

a transgenic organism.

A

an intragenic organism.

34
Q

Affluent people generally have better access to two key food sources

fruit and fish.

bread and water.

meat and dairy.

vegetables and shellfish.

A

meat and dairy.

35
Q

Researchers at the Harvard School of Public Health found that as red meat consumption _____, a person’s risk of dying _____.

A) decreases; increases

B) increases; stays the same

C) increases; decreases

D) increases; increases

A

D) increases; increases

36
Q

In CAFOs, animals are confined at _____ densities in _____ spaces than in traditional farms.

A) high, smaller

B) high, larger

C) low, smaller

D) low, larger

A

A) high, smaller

37
Q

Livestock is responsible for around 14.5% of all anthropogenic greenhouse gas emissions annually. The majority of it comes from

cattle.

pork.

horses.

chickens.

A

Cattle

38
Q

The advantages of CAFOs mainly support which aspect of the triple bottom line?

ethical

environmental

social

economic

A

economic

39
Q

The feed-conversion ratio is

A) the amount of feed needed to produce a pound of beef.

B) the amount of land converted into cropland to grow cattle feed.

C) the amount of energy gained from eating a unit of edible food.

D) the amount of edible food produced per unit of feed input

A

D) the amount of edible food produced per unit of feed input

40
Q

Which animal protein source requires the most water and land?

poultry

dairy

beef

pork

A

beef

41
Q

The ability of an individual nation to grow enough food to feed its people is called

A) green revolution.

B) food self-sufficiency.

C) cash crop self-sufficiency.

D) food sovereignty.

A

B) food self-sufficiency.

42
Q

Which of the following is NOT true?
A) the planet is an open system of energy
B) the planet is a closed system for matter
C) The planet is a closed system for energy
D) A biome is an area characterized by its precipitation and temp

A

C) The planet is a closed system for energy

43
Q

Which stockpile of water is least likely to be contaminated by outside sources?
A) Ocean
B) Rivers
C) Unconfined Aquifers
D) Confined Aquifers

A

D) Confined Aquifers

44
Q

AN underground region of porous rock saturated with water is known as a

A

Aquifer

45
Q

Which ocean life zone generally has the highest biodiversity?
A) Interdial Zone
B) Epipelagic Zone
C) Abyssopelagic Zone
D) Hadal Zone

A

A) Interdial Zone

46
Q

Which of the following is the leading cause for water pollution?
Mercury
Lead
Increased Temp
Oxygen depletion

A

Oxygen depletion

47
Q

The buildup of a substance in the tissues of an organism over the course of its lifetime is known as

A

Bioaccumulation

48
Q

A locale where access to affordable, fresh and nutritious food is limited or nonexistent is known as

Food insecurity

Food Disruption

Nutritional No Mans Land

Food Desert

A

Food Desert

49
Q

Food insecurity is most often linked to
A) poverty
B) lack of meat for consumption
C) food safety
D) better health

A

A) poverty

50
Q

Feed conversion ratio is the amount of edible food produced per
A) land area used
B) amount of water consumed
C) unit of feed input
D) ton of carbon dioxide emitted

A

C) unit of feed input

51
Q
A
52
Q

Energy comes in as ***** and can be absorbed my plants and that energy will travel up a food web

A

Solar Radiation

53
Q

T/F- Matter cannot be created

A

True

54
Q

Why are oceans acidifying?

A

Carbon dioxide sinks into the ground and affects all water sources it comes into contact with

55
Q

What causes acidification in the ocean?

A

Carbon Dioxide

56
Q

All energy/ sugar in earth relies on what process to exist

A

Photosynthesis

57
Q

How have humans messed up the carbon cycle?

A

Burning of fossil fuels
Forest Fires
Deforestation

58
Q

T/F- Nitrogen plays a huge role in plant life and is a major part of all fertilizers

A

True

59
Q

What are ways we can disrupt the nitrogen cycle

A

Using too much fertilizer
Burning fossil fuels
Runoff of nutrients

60
Q

Disruption of the nitrogen cycle can cause an excess of nutrients that runoff into water sources and impact pH levels and oxygen in those areas what is this called

A

Eutrophication

61
Q

T/F- Animal waste can cause eutrophication

A

True

62
Q

T/F- Phosphorus is a vital chemical for plant growth and is an important source for the production of ATP

A

True

63
Q

How is the heat from burning coal used to generate electricity?

A) It heats copper wires, which release a stream of electrons.

B) It melts copper wire that triggers magnets to reverse polarity, a process that generates electricity.

C) It is used to boil water inside a generator, producing electricity once the temperature is high enough.

D) It heats water to create steam which turns a turbine attached to a generator, producing electricity.

A

D) It heats water to create steam which turns a turbine attached to a generator, producing electricity.

64
Q

What does the energy return on energy investment (EROEI) tell us?

A) how much energy we get per land area mined for coal

B) how much energy we can get from a source after the cost of extraction, processing, and shipping

C) how much energy we need to charge customers for to power a medium sized city

D) how much energy we get per U.S. dollar spent

A

B) how much energy we can get from a source after the cost of extraction, processing, and shipping

65
Q

What is the EROEI of coal?
10:1
17:1
20:1
5:1

A

17:1

66
Q

The coal we dig up today formed when

A) the remains of large dinosaurs were buried in tar pits and subjected to high temperatures.

B) dead plant and animal material decomposed rapidly, hardening into coal.

C) marine sediments, collected over long periods of time, were compressed into peat, which later was converted to coal.

D) plant material was buried in oxygen-poor swampy sediments and subjected to high heat and pressure over a long period of time

A

D) plant material was buried in oxygen-poor swampy sediments and subjected to high heat and pressure over a long period of time

67
Q

If the land is fairly level, and the coal seam is close to the surface, which mining technique would be used?
mountaintop removal
overburden mining
subsurface mining
strip mining

A

strip mining

68
Q

What is the starting material for oil and natural gas formation?
peat
dinosaurs
marine organisms
plant material

A

marine organisms

69
Q

With more energy-intensive production methods, the EROEI goes _____, and the cost goes _____.
A) up; down
B) down; down
C) down; up
D) up; up

A

C) down; up

70
Q

What country currently leads the world in fracking?
Venezuela
Saudi Arabia
Canada
United States

A

United States

71
Q

One of the environmental concerns about fracking is contamination of drinking water with
methane gas.
proppant material.
crude oil.
tar sands.

A

methane gas.

72
Q

Which method of extracting oil is the most energy and water-intensive, and the most environmentally damaging?

tar-sands mining

conventional oil wells

deep sea oil wells

fracking

A

tar-sands mining

73
Q

Sites where tunnels are use to access underground fossil fuel or mineral resources is known as

A

Subsurface Mining