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Environmental Science Mid-Term

Total questions: 140

Worksheet time: 1hrs 10mins

Name
Class
Date
1.
What is included in the “environment”?
a)
A. Only plants and animals
b)
B. Only nonliving things
c)
C. All living and nonliving things
d)
D. Only humans
2.
Environmental science is best described as:
a)
A. A political movement
b)
B. The study of natural environments only
c)
C. The study of how humans interact with the environment
d)
D. Only chemistry and biology
3.
Environmental activism is:
a)
A. The same as environmental science
b)
B. A social movement to protect nature
c)
C. A type of controlled experiment
d)
D. A renewable resource
4.
Which of the following is a renewable resource?
a)
A. Oil
b)
B. Coal
c)
C. Wind
d)
D. Minerals
5.
A resource used at the same rate it is replaced is used:
a)
A. Exponentially
b)
B. Sustainably
c)
C. Inefficiently
d)
D. Temporarily
6.
The Agricultural Revolution involved:
a)
A. Increased machine production
b)
B. Growing crops and domesticating animals
c)
C. Building factories
d)
D. Using fossil fuels
7.
The Industrial Revolution led to:
a)
A. Lower human populations
b)
B. Decreased life spans
c)
C. Increased technology and population
d)
D. Less use of natural resources
8.
Which best describes an ecological footprint?
a)
A. The amount of soil a person stands on
b)
B. The area of forest needed to support a country
c)
C. The total resource use and waste of a person
d)
D. The number of species in an ecosystem
9.
Which statement is true about ecological footprints?
a)
A. Only humans have them
b)
B. They include only the food a person eats
c)
C. They include waste production
d)
D. They never change
10.
The Tragedy of the Commons happens when:
a)
A. People work together to conserve resources
b)
B. A shared resource is overused
c)
C. A government bans environmental policies
d)
D. A resource becomes renewable
11.
Which is an example of a “common” resource?
a)
A. Private farmland
b)
B. A community fishery
c)
C. A personal water bottle
d)
D. A city street sign
12.
A solution to the Tragedy of the Commons is:
a)
A. Ignoring shared resources
b)
B. Unlimited use of resources
c)
C. Regulation or cooperation
d)
D. Removing all government rules
13.
Which event increased human lifespan the most?
a)
A. The Industrial Revolution
b)
B. The Agricultural Revolution
c)
C. Renaissance
d)
D. Digital Era
14.
Which is an example of a nonrenewable resource?
a)
A. Sunlight
b)
B. Timber
c)
C. Oil
d)
D. Wind
15.
The environment includes:
a)
A. Only oceans
b)
B. Only forests
c)
C. Human-made structures
d)
D. All natural and human-influenced surroundings
16.
A country with a high ecological footprint likely has:
a)
A. Low consumption
b)
B. High consumption and waste
c)
C. No population
d)
D. Few natural resources
17.
Science is best described as:
a)
A. A set of political opinions
b)
B. A logical way of thinking
c)
C. A list of facts
d)
D. A type of religion
18.
An inference is:
a)
A. A direct observation
b)
B. A logical guess
c)
C. An experiment
d)
D. A conclusion
19.
The first step of the scientific method is:
a)
A. Analyze data
b)
B. Test the hypothesis
c)
C. State the problem
d)
D. Draw conclusions
20.
A hypothesis is:
a)
A. A random guess
b)
B. A testable explanation
c)
C. A proven fact
d)
D. A law
21.
Testing a hypothesis involves:
a)
A. Only reading
b)
B. Conducting an experiment
c)
C. Guessing
d)
D. Ignoring data
22.
Inductive reasoning involves:
a)
A. Forming a rule from many observations
b)
B. Applying a known rule to a situation
c)
C. Random guessing
d)
D. Listing facts
23.
Deductive reasoning involves:
a)
A. Making up a pattern
b)
B. Using a rule to explain a situation
c)
C. Creating new laws
d)
D. Ignoring evidence
24.
A controlled experiment changes:
a)
A. All variables
b)
B. No variables
c)
C. One variable
d)
D. Many variables
25.
The independent variable is:
a)
A. What you measure
b)
B. What you keep constant
c)
C. What you change
d)
D. A conclusion
26.
The dependent variable is:
a)
A. What you change
b)
B. What you measure
c)
C. What stays the same
d)
D. Random data
27.
Qualitative data is:
a)
A. Numbers
b)
B. Words or descriptions
c)
C. Measurements
d)
D. Graphs only
28.
Quantitative data is:
a)
A. Colors
b)
B. Observations
c)
C. Numbers
d)
D. Hypotheses
29.
On a graph, the independent variable goes on the:
a)
A. Y-axis
b)
B. X-axis
c)
C. Title
d)
D. Legend
30.
On a graph, the dependent variable goes on the:
a)
A. Y-axis
b)
B. X-axis
c)
C. Title
d)
D. Hypothesis
31.
A conclusion can:
a)
A. Prove a hypothesis true
b)
B. Support or reject a hypothesis
c)
C. Replace an experiment
d)
D. Never change
32.
Why repeat experiments?
a)
A. To waste time
b)
B. To increase confidence in results
c)
C. To confuse scientists
d)
D. To change the hypothesis
33.
Peer review happens when:
a)
A. Friends read your essay
b)
B. Scientists in the same field evaluate results
c)
C. A student checks their own work
d)
D. Data is erased
34.
A scientific theory is:
a)
A. A guess
b)
B. A broad explanation supported by evidence
c)
C. A law
d)
D. An untested idea
35.
Anthropocentrism places highest value on:
a)
A. Ecosystems
b)
B. Nonliving things
c)
C. Human welfare
d)
D. All species equally
36.
Supply means:
a)
A. How many people want a resource
b)
B. How much of a resource is available
c)
C. The price of a product
d)
D. The type of packaging
37.
Demand means:
a)
A. How much is supplied
b)
B. How many people want a resource
c)
C. How large an ecosystem is
d)
D. A scientific rule
38.
When supply is high and demand is low, price is:
a)
A. High
b)
B. Low
c)
C. Unchanged
d)
D. Impossible to measure
39.
A cost-benefit analysis helps decide:
a)
A. How to ignore resources
b)
B. Whether benefits outweigh costs
c)
C. How to increase pollution
d)
D. The color of a product
40.
Ecosystem services are:
a)
A. Jobs humans do for ecosystems
b)
B. Benefits ecosystems provide
c)
C. Ways to destroy forests
d)
D. A type of pollution
41.
Provisioning services include:
a)
A. Food and water
b)
B. Recreation
c)
C. Flood control
d)
D. Soil formation
42.
Regulating services include:
a)
A. Food
b)
B. Air and water regulation
c)
C. Art inspiration
d)
D. Cultural traditions
43.
Cultural services include:
a)
A. Recreation
b)
B. Oxygen production
c)
C. Nutrient cycling
d)
D. Flood control
44.
Supporting services include:
a)
A. Providing raw materials
b)
B. Soil formation and nutrient cycling
c)
C. Recreation
d)
D. Tourism
45.
Which of the following is a provisioning service?
a)
A. Fish harvested from oceans
b)
B. Water purification
c)
C. Soil formation
d)
D. Hiking trails
46.
Which is a regulating service?
a)
A. Forests as windbreaks
b)
B. Wetlands filtering water
c)
C. Tourism
d)
D. Food from plants
47.
Which best describes a cultural service?
a)
A. Recreational river activities
b)
B. Oxygen for animals
c)
C. Habitat for fish
d)
D. Soil nutrients
48.
Which service supports all others?
a)
A. Cultural
b)
B. Provisioning
c)
C. Supporting
d)
D. Regulating
49.
Environmental policy exists because:
a)
A. Resources are unlimited
b)
B. Humans always cooperate
c)
C. Self-interest can harm the environment
d)
D. Economics is unimportant
50.
Environmental policies are created at:
a)
A. Only national levels
b)
B. Local, state, national, and global levels
c)
C. Only global levels
d)
D. Only city governments
51.
A regulation is:
a)
A. A nonbinding suggestion
b)
B. A rule enforced by government
c)
C. A price increase
d)
D. A type of experiment
52.
An incentive is:
a)
A. A punishment
b)
B. A reward for good behavior
c)
C. A scientific theory
d)
D. A law of physics
53.
The Tragedy of the Commons can be prevented by:
a)
A. Using resources selfishly
b)
B. Cooperation among groups
c)
C. Ignoring resource limits
d)
D. Increasing demand
54.
An endangered species is:
a)
A. At low risk of extinction
b)
B. In immediate danger of extinction in much of its range
c)
C. Only extinct in zoos
d)
D. Not affected by habitat loss
55.
A threatened species is:
a)
A. Already extinct
b)
B. At a lower risk but likely to become endangered
c)
C. Never affected by humans
d)
D. Only exists in captivity
56.
A species is defined as:
a)
A. Organisms that look alike
b)
B. Any group of living things in the same habitat
c)
C. A population of organisms that can interbreed under natural conditions
d)
D. Organisms that share the same color or size
57.
Speciation occurs when:
a)
A. Populations can no longer share genes through reproduction
b)
B. Species compete for the same food
c)
C. Individuals die from disease
d)
D. All habitats are destroyed
58.
Which is an example of behavioral isolation?
a)
A. Two populations cannot mate because of different courtship behaviors
b)
B. A river separates two populations
c)
C. Reproductive organs are incompatible
d)
D. Populations mate at different seasons
59.
Temporal isolation occurs when:
a)
A. Populations reproduce at different times
b)
B. Organisms compete for the same resource
c)
C. Populations live in separate habitats
d)
D. Reproductive organs don’t fit together
60.
Geographic isolation can lead to:
a)
A. Extinction immediately
b)
B. Formation of new species over time
c)
C. Decreased competition
d)
D. Increased disease
61.
The principle of competitive exclusion states:
a)
A. Two species can share the same resource indefinitely
b)
B. Two species competing for the same resource cannot both thrive
c)
C. Populations always decline over time
d)
D. Predators do not affect prey populations
62.
Populations don’t grow indefinitely because of:
a)
A. Unlimited resources
b)
B. Limiting factors
c)
C. Biotic potential
d)
D. Speciation
63.
Carrying capacity is:
a)
A. Maximum number of organisms a habitat can support long-term
b)
B. Total number of species on Earth
c)
C. Number of predators in a population
d)
D. Amount of food in a habitat
64.
Density-dependent factors include:
a)
A. Storms, floods, drought
b)
B. Predation, disease, competition
c)
C. Earthquakes and fires
d)
D. Temperature extremes
65.
Density-independent factors include:
a)
A. Disease and competition
b)
B. Predators
c)
C. Floods and temperature
d)
D. Biotic interactions
66.
K-strategists typically:
a)
A. Reproduce rapidly with many offspring
b)
B. Live in stable environments and have fewer, well-protected offspring
c)
C. Have short life expectancy and little parental care
d)
D. Include bacteria and insects
67.
R-strategists typically:
a)
A. Live in stable environments
b)
B. Reproduce slowly with high parental care
c)
C. Reproduce quickly with many offspring and low parental care
d)
D. Are usually large mammals like whales
68.
Which of the following is NOT one of the four main spheres of the Earth?
a)
A. Geosphere
b)
B. Hydrosphere
c)
C. Biosphere
d)
D. Magnetosphere
69.
The lithosphere is also called the:
a)
A. Geosphere
b)
B. Atmosphere
c)
C. Cryosphere
d)
D. Biosphere
70.
The cryosphere is part of which sphere?
a)
A. Geosphere
b)
B. Hydrosphere
c)
C. Atmosphere
d)
D. Biosphere
71.
Which sphere contains all living organisms?
a)
A. Atmosphere
b)
B. Geosphere
c)
C. Biosphere
d)
D. Hydrosphere
72.
Which sphere consists primarily of gases surrounding the Earth?
a)
A. Biosphere
b)
B. Atmosphere
c)
C. Cryosphere
d)
D. Geosphere
73.
Which of the following is a biotic factor?
a)
A. Temperature
b)
B. Soil
c)
C. Frog
d)
D. Water
74.
Which of the following is an abiotic factor?
a)
A. Bacteria
b)
B. Fungi
c)
C. Water
d)
D. Plants
75.
A group of organisms of one species living in the same place at the same time is called a:
a)
A. Ecosystem
b)
B. Community
c)
C. Population
d)
D. Biome
76.
The unique role a species plays in an environment is called its:
a)
A. Habitat
b)
B. Niche
c)
C. Population
d)
D. Community
77.
A habitat is:
a)
A. The resources an organism consumes
b)
B. The place where an organism lives
c)
C. The role an organism plays in a community
d)
D. How an organism obtains energy
78.
An organism with a limited tolerance to environmental changes is a:
a)
A. Generalist
b)
B. Specialist
c)
C. Producer
d)
D. Consumer
79.
Autotrophs obtain energy from:
a)
A. Eating other organisms
b)
B. Decomposing dead matter
c)
C. Sunlight or chemical compounds
d)
D. Scavenging
80.
A heterotroph is also called a:
a)
A. Producer
b)
B. Consumer
c)
C. Abiotic factor
d)
D. Photosynthesizer
81.
Which of the following is a scavenger?
a)
A. Clownfish
b)
B. Vulture
c)
C. Grass
d)
D. Deer
82.
Which of the following breaks down dead and decaying matter into simpler molecules?
a)
A. Herbivore
b)
B. Scavenger
c)
C. Decomposer
d)
D. Omnivore
83.
In a food chain, the arrows indicate:
a)
A. Direction of movement
b)
B. Flow of energy
c)
C. Population size
d)
D. Habitat location
84.
In an energy pyramid, approximately what percentage of energy is transferred from one trophic level to the next?
a)
A. 1%
b)
B. 10%
c)
C. 50%
d)
D. 90%
85.
Mutualism is a symbiotic relationship in which:
a)
A. One organism benefits and the other is harmed
b)
B. Both organisms benefit
c)
C. One organism benefits and the other is unaffected
d)
D. Both organisms are harmed
86.
The tundra biome is best described as:
a)
A. Warm with tropical rain
b)
B. Cold, treeless, with permanently frozen ground
c)
C. Large grasslands with few trees
d)
D. Hot and dry with occasional fires
87.
Grasslands are characterized by:
a)
A. Abundant trees and high rainfall
b)
B. Large, rolling terrain with many grasses and few trees
c)
C. Cold, frozen ground
d)
D. Mountains and insulation for animals
88.
The desert biome can be:
a)
A. Only hot and dry
b)
B. Only cold
c)
C. Cold or hot and dry with little vegetation
d)
D. Wet year-round
89.
Rainforests are found:
a)
A. Near the poles
b)
B. Near the equator with warm temperatures and rainy/dry seasons
c)
C. In deserts
d)
D. In alpine regions
90.
The chaparral biome is best described as:
a)
A. Hot and dry with mild winters, prone to fire and drought
b)
B. Cold and treeless
c)
C. Tropical and rainy year-round
d)
D. Large grasslands with few trees
91.
Weather is different from climate because:
a)
A. Weather is short-term; climate is long-term
b)
B. Climate changes daily
c)
C. Weather is only about precipitation
d)
D. Climate affects only humans
92.
Climatograms are used to:
a)
A. Measure biodiversity
b)
B. Show temperature and rainfall for a region
c)
C. Identify invasive species
d)
D. Determine soil composition
93.
An indicator species is:
a)
A. A species that is always the largest in its habitat
b)
B. A species that responds dramatically to environmental changes
c)
C. A species with little impact on its ecosystem
d)
D. A species introduced from another region
94.
A keystone species is:
a)
A. Usually the smallest organism in a habitat
b)
B. Has a large impact on its habitat and affects many other species
c)
C. Cannot survive in the ecosystem without human intervention
d)
D. Always an invasive species
95.
Mangroves are considered keystone species because they:
a)
A. Reproduce rapidly with no predators
b)
B. Stabilize coastlines, provide shelter for fish, and excrete excess salt
c)
C. Can grow anywhere on Earth
d)
D. Cause erosion in coastal areas
96.
Primary succession occurs:
a)
A. When soil is already present after a disturbance
b)
B. In areas with no soil, such as new volcanic islands
c)
C. Only in deserts
d)
D. Only in forests
97.
Pioneer species are:
a)
A. The last species to inhabit an ecosystem
b)
B. The first species to colonize barren environments
c)
C. Keystone species
d)
D. Invasive species
98.
A climax community is:
a)
A. The first stage of succession
b)
B. A stable community that remains relatively unchanged
c)
C. Unstable and rapidly changing
d)
D. Only found in deserts
99.
Species biodiversity refers to:
a)
A. Variation in DNA within a species
b)
B. Variety of species within a habitat or region
c)
C. Variation in the food web
d)
D. Number of invasive species
100.
A higher biodiversity index indicates:
a)
A. Greater diversity of species in an area
b)
B. Fewer species present
c)
C. More invasive species
d)
D. Lower ecological health
101.
Line transects are used to:
a)
A. Measure temperature and rainfall
b)
B. Sample the number of species along a physical line to assess biodiversity
c)
C. Introduce invasive species
d)
D. Stabilize soil in an ecosystem
102.
Invasive species affect biodiversity because they:
a)
A. Always reduce predator populations
b)
B. Can spread quickly and outcompete native species
c)
C. Increase soil fertility
d)
D. Decrease rainfall
103.
The atmosphere is primarily made of:
a)
A. Oxygen and carbon dioxide
b)
B. Nitrogen and oxygen
c)
C. Argon and methane
d)
D. Carbon dioxide and neon
104.
Which layer of the atmosphere contains 75% of its mass and is where weather occurs?
a)
A. Stratosphere
b)
B. Troposphere
c)
C. Mesosphere
d)
D. Thermosphere
105.
The ozone layer, which absorbs harmful UV radiation, is located in the:
a)
A. Troposphere
b)
B. Stratosphere
c)
C. Mesosphere
d)
D. Exosphere
106.
Meteors mostly burn up in the:
a)
A. Thermosphere
b)
B. Stratosphere
c)
C. Mesosphere
d)
D. Exosphere
107.
The Coriolis effect occurs because:
a)
A. Air masses are heated unevenly by the sun
b)
B. Points on Earth’s surface spin at different speeds
c)
C. Earth’s atmosphere has layers
d)
D. Gravity pulls air downward
108.
Nitrogen fixation can occur naturally through:
a)
A. Lightning and nitrogen-fixing bacteria
b)
B. Photosynthesis
c)
C. Denitrification
d)
D. Carbon dioxide absorption
109.
The phosphorus cycle is unique because:
a)
A. Phosphorus cycles through the atmosphere
b)
B. Phosphorus is mostly found in rocks and does not cycle through the atmosphere
c)
C. Phosphorus is converted to nitrogen before use
d)
D. Humans have no effect on the cycle
110.
Humans have negatively affected biogeochemical cycles by:
a)
A. Reducing nitrogen and phosphorus in ecosystems
b)
B. Accelerating carbon dioxide addition and overloading nitrogen and phosphorus through fertilizers
c)
C. Stabilizing atmospheric carbon
d)
D. Increasing ozone levels in the troposphere
111.

What is the primary purpose of a hypothesis in scientific research?

a)

C. To summarize previous research

b)

B. To make predictions that can be tested

c)

A. To provide a definitive answer

d)

D. To present a conclusion

112.

Which of the following is an example of a negative environmental impact?

a)

A. Reforestation

b)

B. Pollution of air and water

c)

D. Sustainable farming practices

d)

C. Conservation efforts

113.

What role do decomposers play in an ecosystem?

a)

C. They compete with plants for sunlight

b)

A. They produce energy through photosynthesis

c)

D. They are primary consumers

d)

B. They break down dead organic matter

114.

Which of the following is a nonrenewable resource?

a)

A. Solar energy

b)

B. Natural gas

c)

C. Wind energy

d)

D. Hydropower

115.

What is the primary purpose of environmental regulations?

a)

A. To increase industrial profits

b)

C. To limit scientific research

c)

D. To promote tourism

d)

B. To protect natural resources and public health

116.

Which of the following best describes biodiversity?

a)

D. The genetic uniformity of a species

b)

C. The total biomass of an area

c)

B. The number of species in a single ecosystem

d)

A. The variety of life in a particular habitat

117.

What happens to price when demand increases and supply remains constant?

a)

B. Price increases

b)

C. Price remains the same

c)

A. Price decreases

d)

D. Price becomes unpredictable

118.

Which of the following is an example of a provisioning service?

a)

D. Water purification

b)

C. Climate regulation

c)

B. Timber from forests

d)

A. Pollination by bees

119.

In scientific research, what is the purpose of a control group?

a)

A. To test the hypothesis

b)

B. To provide a standard for comparison

c)

C. To manipulate variables

d)

D. To collect qualitative data

120.

Which of the following is an example of a supporting service?

a)

D. All of the above

b)

C. Carbon storage

c)

A. Pollination

d)

B. Water filtration

121.

What is the primary focus of environmental science?

a)

A. Studying human behavior

b)

B. Understanding ecosystems

c)

C. Analyzing economic impacts

d)

D. Developing new technologies

122.

Which of the following best describes sustainable development?

a)

D. Focusing solely on economic growth

b)

C. Exploiting resources for immediate gain

c)

B. Meeting present needs without compromising future generations

d)

A. Growth without limits

123.

What is the primary purpose of a hypothesis in scientific research?

a)

B. To guide the research process

b)

A. To provide a definitive answer

c)

C. To summarize results

d)

D. To eliminate variables

124.

Which of the following best describes a nonrenewable resource?

a)

D. A resource that is never used

b)

C. A resource that is always available

c)

A. A resource that can be replenished quickly

d)

B. A resource that takes millions of years to form

125.

What role do ecosystems play in regulating climate?

a)

D. They are irrelevant to climate change

b)

C. They only affect local weather

c)

B. They absorb carbon dioxide and produce oxygen

d)

A. They have no impact on climate

126.

Which of the following is a renewable resource?

a)

D. Nuclear energy

b)

B. Natural gas

c)

A. Coal

d)

C. Solar energy

127.

What is the primary purpose of environmental regulations?

a)

A. To increase pollution

b)

B. To protect natural resources

c)

C. To limit economic growth

d)

D. To promote industrialization

128.

Which factor is most likely to affect biodiversity?

a)

D. All of the above

b)

C. Pollution

c)

B. Urban development

d)

A. Climate change

129.

What is the primary purpose of a hypothesis?

a)

B. To make predictions that can be tested

b)

A. To provide a definitive answer

c)

D. To describe a scientific theory

d)

C. To summarize research findings

130.

Which of the following is a characteristic of renewable resources?

a)

A. They can be depleted quickly

b)

C. They can be replenished naturally

c)

B. They are available in unlimited quantities

d)

D. They are always more expensive than nonrenewable resources

131.

What role do decomposers play in an ecosystem?

a)

B. They consume primary producers

b)

D. They compete with plants for sunlight

c)

C. They break down dead organic matter

d)

A. They produce energy through photosynthesis

132.

Which of the following is a renewable resource?

a)

D. Nuclear energy

b)

C. Solar energy

c)

B. Natural gas

d)

A. Coal

133.

What is the primary goal of environmental conservation?

a)

D. To enhance fossil fuel extraction

b)

C. To promote urban development

c)

B. To protect natural resources and biodiversity

d)

A. To increase industrial production

134.

Which of the following best describes sustainable development?

a)

A. Development that meets present needs without compromising future generations

b)

B. Development focused solely on economic growth

c)

C. Development that ignores environmental impacts

d)

D. Development that prioritizes technology over nature

135.

Which of the following is a characteristic of a sustainable ecosystem?

a)

A. High levels of pollution

b)

C. Dependence on nonrenewable resources

c)

B. Biodiversity and resilience

d)

D. Limited species variety

136.

What is the primary purpose of environmental impact assessments?

a)

D. To ignore ecological concerns

b)

A. To promote economic growth

c)

B. To evaluate potential environmental effects of a project

d)

C. To increase resource consumption

137.

Which of the following best describes biodiversity?

a)

D. The total land area of a country

b)

A. The variety of life in a particular habitat

c)

B. The number of humans in an area

d)

C. The amount of waste produced

138.

Which of the following is a characteristic of a renewable resource?

a)

C. It is always in high demand

b)

D. It requires fossil fuels to produce

c)

B. It is naturally replenished

d)

A. It can be depleted quickly

139.

What is the primary factor that influences demand for a product?

a)

C. The number of suppliers

b)

B. Consumer preferences and income

c)

D. Government regulations

d)

A. The availability of resources

140.

Which of the following best describes sustainable development?

a)

D. Prioritizing short-term gains over long-term benefits

b)

C. Focusing solely on technological advancements

c)

B. Balancing economic growth with environmental protection

d)

A. Using resources without regard for future generations