Quiz about Env Science Post Prep

Question 1

The butterfly is an example of:

Accepted Answer

primary consumer

Answer

secondary consumer

Answer

producer

Answer

autotroph

Question 2

Life in our biosphere is based on what atom?

Accepted Answer

carbon

Answer

nitrogen

Answer

hydrogen

Answer

oxygen

Question 3

Non-native plants, animals and other organism that causes ecological or economic harm in the environment.

Accepted Answer

invasive species

Answer

endangered species

Answer

keystone species

Answer

indicator species

Question 4

A species that is critical to the function of the ecosystem in which it lives.

Accepted Answer

keystone species

Answer

invasive species

Answer

endangered species

Answer

indicator species

Question 5

How much energy on average is transferred between trophic levels.

Accepted Answer

10%

Answer

25%

Answer

70%

Answer

90%

Question 6

Which type of life form performs both photosynthesis AND cellular respiration?

Accepted Answer

autotroph

Answer

heterotroph

Answer

consumers

Answer

detritvore

Question 7

A bear that eats fish that ate an aquatic plant is a _______.

Accepted Answer

Food Chain

Answer

Food Web

Answer

Bad luck for the fish

Question 8

All of the mice, grass, maples trees, and foxes in a forest would be considered.

Accepted Answer

community

Answer

species

Answer

habitat

Answer

population

Question 9

Scientists study the biosphere to examine the relationship between biotic and abiotic factors that might impact the entire planet and the hierarchy of life. What is defined as all of the members of a single species that live in a particular area?

Accepted Answer

population

Answer

organism

Answer

ecosystem

Answer

community

Question 10

Eutrophication causes dead zones which occur if there is a build up of too many nutrients. Select the nutrients that cause dead zones.

Accepted Answer

phosphorus

Accepted Answer

nitrogen

Answer

oxygen

Answer

carbon

Question 11

Plants, animals or microorganisms used to monitor changes in the environment:

Accepted Answer

indicator species

Answer

invasive species

Answer

endangered species

Answer

keystone species

Question 12

What do you call the land area from which water, sediment, and dissolved materials drain into a common body of water?

Accepted Answer

watershed

Answer

ground water

Answer

surface water

Answer

aquifer

Question 13

When Eutrophication occurs, what gas is depleted from a water source creating a dead zone?

Accepted Answer

dissolved oxygen

Answer

ethanol

Answer

dissolved carbon dioxide

Answer

methane

Question 14

Which is NOT an example of point source pollution?

Accepted Answer

water runoff from residential lawns

Answer

oil that is escaping from a damaged tanker

Answer

heavy metals that are leeching out of an underground mine

Answer

untreated sewage that is accidently released from a waste water treatment plant

Question 15

Which is a nonrenewable source of energy?

Accepted Answer

natural gas

Answer

wind

Answer

hydropower

Answer

solar energy

Question 16

The graph represents __________.

Accepted Answer

exponential population growth

Answer

the decline of the human population

Answer

continued, slow growth of the human population

Answer

a population that has reached carrying capacity

Question 17

Compare and contrast primary and secondary succession of an ecosystem. What is the distinction between them?

Accepted Answer

primary succession is the establishment of a new community in an existing ecosystem that was disturbed, while secondary succession is the establishment of a community in an area that was altered due to fire.

Answer

primary succession is the sequence of species that become established early in a newly colonized area, while secondary succession is the sequence of species that move in much later.

Answer

primary succession is the establishment of a community in an area with no soil, while secondary succession is the establishment of a new community in an existing ecosystem that was disturbed by some catastrophic event.

Question 18

Much of the energy used by people in both rural and urban areas is used for the same thing: electricity, transportation, and heat. However, __________ is practiced almost exclusively in rural areas and can be energy intensive.

Accepted Answer

agriculture

Answer

construction

Answer

management

Answer

manufacturing

Question 19

The troposphere traps a part of the sun's heat that is reflected from Earth's surface. This effect, called the greenhouse effect, is primarily responsible for the average temperature on Earth. What component of the atmosphere causes this to occur?

Accepted Answer

gases such as carbon dioxide and methane

Answer

the ozone layer

Answer

gases such as oxygen and nitrogen

Answer

air pollutants such as carbon monoxide and particulates

Question 20

Pioneer plant species could be described as those that

Accepted Answer

are small in size, and have highly adapted to survive with little resources

Answer

sprout form seeds after a forest fire

Answer

form large forest trees that shade understory plants

Answer

are slow to mature, and require a soil with well-balance nutrients

Question 21

When we use renewable resources with care, ensuring that they are not depleted for future generations, we are following a practice called _______.

Accepted Answer

sustainability

Answer

probability

Answer

accountability

Question 22

What two processes fuel the carbon cycle?

Accepted Answer

cellular respiration and photosynthesis

Answer

transpiration and transport

Answer

photosynthesis and transport

Answer

cellular respiration and transpiration

Question 23

The growth rate of a population that has a limited food supply will MOST LIKELY be

Accepted Answer

logistic

Answer

natural

Answer

exponential

Answer

random

Question 24

Which of the following is an air pollutant implicated in human neurological damage?

Accepted Answer

Lead

Answer

Sulfur dioxide

Answer

Ozone

Answer

Hydrocarbons

Question 25

Some toxic compounds are ingested and retained in the tissues. These pollutants pose special risks to humans and other organisms high on the food chain because of which process?

Accepted Answer

Biomagnification

Answer

Synergism

Answer

Compound contamination

Answer

Carcinogenesis

Question 26

The picture below describes what type of erosion?

Accepted Answer

Gully Erosion

Answer

Rill Erosion

Answer

Streambank Erosion

Answer

Sheet Erosion

Question 27

Reduced tillage systems use more equipment which adds to the usage of fossil fuels.

Accepted Answer

True

Answer

False

Question 28

What is true about the Green Revolution?

Accepted Answer

It helped food production, but also increased pollution

Answer

It helped food production, but only a specific crop grew wealthy

Answer

It didn't help food production at all, but did increase pollution

Answer

It was a effort to enforce recycling in India

Question 29

Which of the following are considered to be renewable energy sources?

Accepted Answer

Solar

Answer

Oil

Answer

Coal

Answer

Natural Gas

Question 30

What happens if a population grows past its carrying capacity?

Accepted Answer

B) The population starts to die off

Answer

A) The population keeps growing

Answer

C) The entire species will go extinct

Answer

D) The carrying capacity just increases

Question 31

An organism that makes their own food is a ______.

Accepted Answer

autotroph

Answer

heterotroph

Question 32

An organism that must eat other organisms for food is a ______.

Accepted Answer

heterotroph

Answer

autotroph

Question 33

Say you want to know whether caffeine affects your appetite. The presence/absence of a given amount of caffeine would be the ______ variable. How hungry you are would be the ______ variable.

Accepted Answer

independent, dependent

Answer

dependent, independent

Question 34

The Resource Conservation and Recovery Act (RCRA) was passed in response to the Love Canal disaster which is now a superfund site. What issue(s) with the Love Canal was the law intended to prevent in the future?

Accepted Answer

These were all issues with the Love Canal addressed by the law

Answer

The placing of industrial waste in an unsecured landfill

Answer

The construction of residential homes and a school on top of a hazardous waste landfill

Answer

The lack of documentation about what specific chemicals were placed in the landfill

Question 35

Which of the following has a pH close to neutral?

Accepted Answer

blood

Answer

bleach

Answer

baking soda

Answer

lemon juice

Question 36

Which of the following items are considered to be the reactants of photosynthesis?

Accepted Answer

LE

Accepted Answer

CO2

Accepted Answer

H2O

Answer

O2

Answer

C6H12O6

Question 37

The tragedy of the commons refers to:

Accepted Answer

A situation where individuals act in their self-interest, depleting shared resources and leading to a collective loss.

Answer

A system where resources are collectively managed by a community, ensuring equitable distribution.

Answer

The conservation efforts undertaken by governments to prevent overuse of natural resources.

Answer

A scenario where private ownership of resources ensures sustainable use and prevents depletion.

Question 38

What does the ecological footprint measure?

Accepted Answer

The total area of land and water required to sustainably support a population's lifestyle and consumption habits.

Answer

The number of species in a particular ecosystem.

Answer

The amount of carbon emissions produced by a country.

Answer

The biodiversity within a specific geographical region.

Question 39

Ozone in the stratosphere is destroyed by what, now banned substance?

Accepted Answer

chlorofluorocarbons (CFCs)

Answer

greenhouse gases (GHGs)

Answer

air pollutant particles (APPs)

Answer

hydrofluorocarbons (HFCs)

Question 40

Oceans are becoming more acidic due to the presence of which of the following that diffused from the atmosphere?

Accepted Answer

CO2

Answer

O2

Answer

NO2

Answer

O3

Question 41

Health of any ecosystem is tied to the number of all the different lifeforms that are able to successfully survive. This is called which of the following.

Accepted Answer

biodiversity

Answer

apex predator

Answer

biohealth

Answer

carrying capacity

Question 42

In what layer of the atmosphere is the Ozone layer found?

Accepted Answer

stratosphere

Answer

thermosphere

Answer

troposphere

Answer

mesosphere

Question 43

Refer to the graph showing CO2 concentration and temperature changes over years. Which of the following represents the independent variable in the graph?

Accepted Answer

Year

Answer

CO2 Concentration

Answer

Temperature

Question 44

Refer to the graph showing CO2 concentration and temperature changes over years. Which of the following represents the dependent variable(s) in the graph?

Accepted Answer

CO2 Concentration

Accepted Answer

Temperature

Answer

Year

Question 45

Clouds form in the atmosphere from which process?

Accepted Answer

Condensation

Answer

Evaporation

Answer

Transpiration

Answer

Precipitation

Question 46

What converts nitrogen gas into a usable form for plants and animals?

Accepted Answer

bacteria

Answer

water

Answer

plants

Answer

animals

Question 47

Which of the following strategies could be used to reduce soil erosion during surface mining of coal?

Accepted Answer

Replanting vegetation

Answer

Increasing the use of open pit mining

Answer

Adding air filtration systems

Answer

Removing only low-grade ores

Question 48

In the Food Pyramid, how does the amount of energy available for each organism change at different levels?

Accepted Answer

As levels transition from producer to tertiary consumer, the amount of energy available decreases, providing less energy for tertiary consumers and more for producers.

Answer

The amount of energy available for each organism is exactly the same at all levels.

Answer

As levels transition from producer to tertiary consumer, the amount of energy available increases, providing more energy for tertiary consumers and less for producers.

Answer

The energy distribution cannot be determined from the given scenario.

Question 49

When liquid water moves downward through the pores of the soil, this process is called ____?

Accepted Answer

C) infiltration/percolation

Answer

A) precipitation

Answer

B) transpiration

Answer

D) run off

Question 50

The variable that is measured in an experiment.

Accepted Answer

B) dependent variable

Answer

A) independent variable

Answer

C) controlled variable

Answer

D) constraint variable

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