WorksheetsEnv Sci Final Exam (1st 9 weeks)
Total questions: 71
Worksheet time: 36mins
Name
Class
Date
1.
Which of the following is NOT a precautionary statement for this symbol?
a)
Wear safety goggles when working around chemicals, acids, bases, flames, or heating devices.
b)
Avoid wearing contact lenses in the lab.
c)
If any substance gets into your eyes, notify your
instructor immediately and flush your eyes with
running water
instructor immediately and flush your eyes with
running water
d)
Do not inhale any gas or vapor unless your
instructor directs you to do so. Do not
breathe pure gases.
instructor directs you to do so. Do not
breathe pure gases.
2.
Which of the following is NOT a precautionary statement associated with this symbol but is sound laboratory practice?
a)
Avoid wearing hair spray or hair gel on lab
days.
days.
b)
When heating materials in a test tube, always
angle the test tube away from yourself and
others.
angle the test tube away from yourself and
others.
c)
Know the location of laboratory fire extin-guishers and fire-safety blankets.
d)
Glass containers used for heating should be
made of heat-resistant glass.
made of heat-resistant glass.
3.
Which statement is true about the dilution of acids and bases?
a)
Add an acid or base to water; never add
water to an acid or base.
water to an acid or base.
b)
Add water to acid or base; never add acid or base to water.
c)
Add water to and acid; never add base to water.
d)
Add water to a base; never add water to an acid.
4.
Environmental science is the study of
a)
the relationship of organisms to their environment.
b)
the impact of humans on the environment.
c)
only the physical environment not including biotic factors.
d)
solely the impact of the environment on biotics.
5.
Ecology is the study of
a)
how living things interact with each other
and their abiotic environment.
and their abiotic environment.
b)
the impact of humans on the environment.
c)
only the physical environment not including biotic factors.
d)
solely the impact of the environment on biotics.
6.
The practice of growing, breeding, and caring for plants and animals that are used for food, clothing, housing, transportation, and
other purposes is called
other purposes is called
a)
animal husbandry.
b)
agriculture.
c)
food science.
d)
horticulture.
7.
Any natural material that is used by
humans is called a(n)
humans is called a(n)
a)
unlimited resource.
b)
natural resource.
c)
renewable resource.
d)
nonrenewable resource.
8.
An undesired change in air, water, or soil that
adversely affects the health, survival, or activities of humans or other organisms is termed
adversely affects the health, survival, or activities of humans or other organisms is termed
a)
an environmental factor.
b)
a limiting resource.
c)
pollution.
d)
non-pollution.
9.
The number and variety of species that live in an area is called
a)
an ecosystem.
b)
a community.
c)
population density.
d)
biodiversity.
10.
This law states that the greater the demand for
a limited supply of something, the more that thing is worth.
a limited supply of something, the more that thing is worth.
a)
The law of financial cost.
b)
The law of cost benefit analysis.
c)
The law of supply and
demand
demand
d)
The law of resource and demand.
11.
The productive area of Earth needed to support one person in a particular country is the
a)
environmental
footprint.
footprint.
b)
ecological
footprint.
footprint.
c)
resource
footprint.
footprint.
d)
community
footprint.
footprint.
12.
Sustainability refers to the condition in which
a)
human needs are met in such a way that a human population can survive temporarily.
b)
human needs are met in such a way that a human population can survive indefinitely.
c)
energy needs are met in such a way indefinitely.
d)
the Earth's energy and material needs are met in such a way indefinitely.
13.
______________ is/are information we gather using our senses—our sight, hearing, smell, and touch.
a)
Data/observations
b)
A hypothesis
c)
A theory
d)
An inference
14.
When formulating a testable idea or explanation that leads to a scientific investigation, you are making a(n)
a)
hypothesis.
b)
prediction.
c)
inference.
d)
observation.
15.
A logical statement about what will happen if the hypothesis is correct is called a(n)
a)
null hypothesis.
b)
prediction.
c)
inference.
d)
observation.
16.
An experiment is a procedure designed to
a)
test observations under controlled conditions.
b)
prove that a prediction is true.
c)
test a hypothesis under controlled conditions.
d)
prove that a prediction is NOT true.
17.
In an experiment, mussels in a group not receiving treatment thrive while most of those in the experimental group die. The group not receiving treatment is the
a)
control group.
b)
constant group.
c)
test group.
d)
hypothetical group.
18.
The factor of interest, tested one at a time, in a controlled experiment is a(n)
a)
control group.
b)
variable.
c)
experimental group.
d)
constant.
19.
Correlations are
a)
predictions about the experimental group.
b)
associations between two or more events.
c)
the relationship between an organism an its environment.
d)
correct hypotheses.
20.
An ecosystem is
a)
all of the organisms living in an area together with their physical
environment.
environment.
b)
a group of organisms that can mate to produce
fertile offspring.
fertile offspring.
c)
all the
members of the same species that live in the same place at the
same time.
members of the same species that live in the same place at the
same time.
d)
a group
of various species that live in the same place and interact with
each other.
of various species that live in the same place and interact with
each other.
21.
A population is
a)
all of the organisms living in an area together with their physical
environment.
environment.
b)
a group of organisms that can mate to produce
fertile offspring.
fertile offspring.
c)
all the
members of the same species that live in the same place at the
same time.
members of the same species that live in the same place at the
same time.
d)
a group
of various species that live in the same place and interact with
each other.
of various species that live in the same place and interact with
each other.
22.
A community is
a)
all of the organisms living in an area together with their physical
environment.
environment.
b)
a group of organisms that can mate to produce
fertile offspring.
fertile offspring.
c)
all the
members of the same species that live in the same place at the
same time.
members of the same species that live in the same place at the
same time.
d)
a group
of various species that live in the same place and interact with
each other.
of various species that live in the same place and interact with
each other.
23.
To be classified a species, organisms would have to be
a)
all of the organisms living in an area together with their physical
environment.
environment.
b)
a group of organisms that can mate to produce
fertile offspring.
fertile offspring.
c)
all the
members of the same species that live in the same place at the
same time.
members of the same species that live in the same place at the
same time.
d)
a group
of various species that live in the same place and interact with
each other.
of various species that live in the same place and interact with
each other.
24.
In describing living and once living parts of an ecosystem, including all of the plants and animals, one would be talking about
a)
a system's abiotics.
b)
a system's biotics.
c)
ecology.
d)
living organisms.
25.
In describing the nonliving parts of the ecosystem, for example, air, temperature, and soil, one would be talking about
a)
abiotics.
b)
biotics.
c)
ecology.
d)
nonliving organisms.
26.
Which of the following labels refers to the drawing of a population?
a)
A
b)
B
c)
C
d)
D
27.
Which of the following labels refers to the drawing of the level of biotic and abiotic factors and their environment?
a)
A
b)
B
c)
C
d)
D
28.
The place an organism lives is called its
a)
ecosystem.
b)
niche.
c)
habitat.
d)
community.
29.
The role or what an organism does is called its
a)
ecosystem.
b)
niche.
c)
habitat.
d)
community.
30.
Darwin used the term _______________
to describe the survival and reproduction of organisms with particular traits.
to describe the survival and reproduction of organisms with particular traits.
a)
artificial selection
b)
adaptation
c)
evolution
d)
natural selection
31.
The selective breeding of organisms by humans for specific characteristics is called
a)
artificial selection.
b)
adaptation.
c)
evolution.
d)
natural selection.
32.
A change in the genetic characteristics of a population from one generation to the next is known as
a)
artificial selection.
b)
adaptation.
c)
evolution.
d)
natural selection.
33.
This drawing represents
a)
artificial selection leading to evolution.
b)
adaptation leading to evolution..
c)
natural selection leading to evolution.
d)
evolution leading to natural selection.
34.
Energy from the sun enters an ecosystem when a plant uses sunlight to make sugar molecules in a process called
a)
combustion.
b)
respiration.
c)
photosynthesis.
d)
transpiration.
35.
This drawing represents the autotrophic process of
a)
combustion.
b)
transpiration.
c)
respiration.
d)
photosynthesis.
36.
This drawing represents the heterotrophic process of
a)
combustion.
b)
aerobic transpiration.
c)
aerobic respiration.
d)
photosynthesis.
37.
A ____________ is an organism that makes its own food, and are also called autotrophs, or self-feeders.
a)
producer
b)
consummer
c)
2nd level consumer
d)
decomposer
38.
Organisms that get their energy by eating other organisms are called
a)
producers.
b)
consummers.
c)
2nd level consumers.
d)
decomposers.
39.
Some consumers, such as bacteria and fungi, get their food by breaking down dead organisms, and are therefore called
a)
producers.
b)
consummers.
c)
2nd level consumers.
d)
decomposers.
40.
This drawing represents a(n)
a)
photosynthesis.
b)
food web.
c)
food chain.
d)
aerobic respiration.
41.
This drawing represents
a)
photosynthesis.
b)
a food web.
c)
a food chain.
d)
aerobic respiration.
42.
Each step (represented by the red arrows) through which energy is transferred is known as a(n)
a)
consumer level.
b)
consumption level.
c)
food level.
d)
trophic level.
43.
Which process represented by the drawing shows a compound cycled between the atmosphere, land, water, and organisms?
a)
phosphorus cycle
b)
nitrogen cycle
c)
carbon cycle
d)
watercycle
44.
Which process represented by the drawing shows a compound cycled between the atmosphere, land, and organisms?
a)
phosphorus cycle
b)
nitrogen cycle
c)
carbon cycle
d)
watercycle
45.
Which process represented by the drawing shows a compound cycled between the atmosphere, land, and organisms?
a)
phosphorus cycle
b)
nitrogen cycle
c)
carbon cycle
d)
watercycle
46.
Which process represented by the drawing shows a compound cycled between the land and organisms?
a)
phosphorus cycle
b)
nitrogen cycle
c)
carbon cycle
d)
watercycle
47.
An inherited trait like a curved beak, as shown in the photo of the Hawaiian honey-creeper, that increases an organism’s chance of survival and reproduction in a certain environment is called a(n)
a)
abnormality.
b)
trait.
c)
characteristic.
d)
adaptation.
48.
The only organisms that can fix atmospheric nitrogen into chemical compounds are a few species of
a)
fungi.
b)
bacteria.
c)
plants.
d)
animals.
49.
Which of the following is NOT true about succession?
a)
Primary succession is the type of succession that occurs on a
surface where no ecosystem existed before, such as on rocks or sand dunes.
surface where no ecosystem existed before, such as on rocks or sand dunes.
b)
Ecological Succession the more common type of
succession, occurs on a surface where an ecosystem has previously
existed.is a gradual process of change and replacement of some or all of the species in a community.
succession, occurs on a surface where an ecosystem has previously
existed.is a gradual process of change and replacement of some or all of the species in a community.
c)
Secondary succession the more common type of
succession, occurs on a surface where an ecosystem has previously existed.
succession, occurs on a surface where an ecosystem has previously existed.
d)
Secondary succession occurs in ecosystems that have NOT been
disturbed or disrupted by humans or animals, or by natural
processes such as storms, floods,
disturbed or disrupted by humans or animals, or by natural
processes such as storms, floods,
50.
The first organisms to colonize any newly available area and begin the process of ecological succession are
a)
climax communities.
b)
pioneer species.
c)
tertiary species.
d)
secondary communities.
51.
Which year group represents a climax community?
a)
Year 1
b)
Year 2
c)
Years 3-10
d)
After about 150 years
52.
Which year group represents a pioneer species?
a)
Year 1
b)
Year 2
c)
Years 3-10
d)
After about 150 years
53.
____________ refers to conditions, such as temperature, precipitation, humidity, and winds, in an area over a long period of time.
a)
Climate
b)
Weather
c)
Altitude
d)
Latitude
54.
Biomes and vegetation mostly vary with
a)
climate and altitude.
b)
climate and latitude.
c)
latitude
and altitude.
and altitude.
d)
weather and altitude.
55.
Located in a belt around the Earth near the equator, _____________ help regulate world climate and play vital roles in the nitrogen, oxygen, and carbon cycles.
a)
tropical rain forests
b)
temperate grasslands
c)
deserts
d)
tundra
56.
Temperate deciduous forests are characterized by all of the following EXCEPT one. Which does not belong?
a)
Their trees drop their broad, flat leaves each fall.
b)
These forests once dominated vast regions of the
Earth, including parts of North America, Europe, and Asia.
Earth, including parts of North America, Europe, and Asia.
c)
They are generally located between
30° and 50° north latitudes.
30° and 50° north latitudes.
d)
They are located in a belt around the Earth near the equator.
57.
Also called the northern coniferous forest, they stretche in a broad band across the Northern Hemisphere just below the Arctic Circle. Winters are long (6 to 10 months) and have
average temperatures that are below freezing and often fall to –20°C.
average temperatures that are below freezing and often fall to –20°C.
a)
tundra
b)
taiga
c)
polar
d)
ice caps
58.
This biome is located in northern arctic regions. The winter is too cold and dry to permit the growth of trees in this biome. In many areas of the tundra, the deeper layers of soil are permanently frozen.
a)
tundra
b)
taiga
c)
polar
d)
ice caps
59.
Temperate grassland covers large areas of the interior of continents, where there is moderate rainfall, but still too little for trees to grow. They are known by all the names below EXCEPT, the , the
, and the are .
, and the are .
a)
Prairies in North America
b)
steppes in Asia
c)
pampas in South America
d)
chaparral on America's West coast
60.
The number of individuals per unit area or volume, such as the number of bass per cubic meter of water in a lake, is called
a)
population.
b)
density.
c)
dispersion.
d)
growth rate.
61.
The relative distribution or arrangement of its individuals within a given amount of space is called
a)
population.
b)
density.
c)
dispersion.
d)
growth rate.
62.
In an ecosystem for a particular species there is
the maximum population that the ecosystem can support indefinitely, and it is called
the maximum population that the ecosystem can support indefinitely, and it is called
a)
population density.
b)
carrying capacity.
c)
exponential growth.
d)
limiting factor.
63.
A type of symbiosis in which different individuals or populations attempt to use the same limited resource is called
a)
parasitism.
b)
mutualism.
c)
commensalism.
d)
competition.
64.
A close relationship between two species in which each species provides a benefit to the other is called
a)
parasitism.
b)
mutualism.
c)
commensalism.
d)
predation.
65.
An organism that lives in or on another organism and feeds on it, such as a tick on a deer, is a
a)
parasite.
b)
mutualist.
c)
commensalist.
d)
predator.
66.
A species that benefits from another species, but the second is neither harmed nor helped, is a
a)
parasite.
b)
mutualist.
c)
commensalist.
d)
predator.
67.
When two species live in close association and over time develop adaptations toward each other, we say they have
a)
developed symbiosis.
b)
coevolved.
c)
become commensalists.
d)
developed mimicry.
68.
When there are an extraordinary variety of different species in a given area, such as tropical rain forests, we say that the area has
a)
low diversity.
b)
moderate density.
c)
great dispersion.
d)
high diversity.
69.
A tropical rain forest has all of the following layers except for
a)
understory
b)
emergent layer
c)
canopy
d)
overstory
70.
As in the sea otter and kelp beds, some species are so clearly critical to the functioning of an ecosystem that they are called
a)
a mutual species.
b)
a dominant species.
c)
a keystone species.
d)
a required population.
71.
The dashed line (B) on the graph represents the average population size supported in a given area and is termed a(n)
a)
exponential growth.
b)
limiting factor.
c)
carrying capacity.
d)
logistic growth.
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