Scientific Inquiry — Unit test Answers

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21
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Which is the best classification for West Nile virus?

A
food-borne illness
B
irradiated disease
C
antibiotic resistant bacteria
D
emerging infectious disease
22
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Which of the following scenarios represents change to an ecosystem brought about by biotic factors?

A
a wildfire caused by lightning striking a tree
B
a flood caused by a severe storm
C
a landslide caused by cattle overgrazing
D
a volcano
23

Hantavirus is a relatively rare emerging infectious disease that is spread by contact with the contaminated feces and urine of rodents, such as deer mice. It does not spread between people and causes flu-like symptoms. How would scientists most likely recommend that the disease be controlled?

A
They would encourage people to avoid people infected with hantavirus.
B
They would offer ways to control rodent populations.
C
They would urge infected people to take antibiotics.
D
They would endorse not owning a barn or garage, where rodents can live.
24

Scientists are concerned about the invasion of pythons in the Florida Everglades. Pythons are from Asia and are not native to the Everglades. They eat eggs and birds, many of which are endangered. The snakes were introduced to the Everglades when people released into the wild pet snakes that had grown too large. Very few animals in the Everglades prey on the snakes. How will scientists be most effective at controlling this invasive species?

A
by showing how pythons can be safely collected and removed from the Everglades
B
by releasing predators from Asia to control the snake population
C
by telling people to stop releasing snakes and waiting until the other snakes die out
D
by removing the species of birds that the snakes eat so the snakes do not have any more food
25

Which of the following is not a career in environmental science?

A
Atmospheric scientist
B
Environmental engineer
C
Psychoanalyst
D
Toxicologist
26

Which type of environmental scientist is likely to study how different species of birds interact?

A
Hydrologist
B
Toxicologist
C
Oceanographer
D
Ecologist
27

In which biome would you be most likely to enjoy leaves changing color in the fall?

A
Taiga
B
Rainforests
C
Desert
D
Temperate Forests
28

What did Alexander Fleming discover that helped solve a societal problem?

A
an antibiotic
B
bacteria
C
infections
D
mold
29

Pioneer species survive by living on rocks and minerals.

A
T
B
F
30

Sunlight can be considered a food resource.

A
T
B
F
31

Arrange the events of succession after a volcano erupted in their proper order.

A
pioneer species, plant growth, soil formation
B
pioneer species, soil formation, plant growth
C
soil formation, pioneer species, plant growth
D
soil formation, plant growth, pioneer species
32

Which of the following is likely to be researched by an environmental scientist?

A
the effect of oil spills on marine animals
B
the anatomy of a platypus
C
the chemical composition of a compound
D
the velocity of a cheetah
33

Which statement best relates science and societal problems?

A
Societal problems are the result of science.
B
Any societal problem can be solved by using science.
C
A scientific solution to a societal problem does not result in further problems.
D
Science can be used to address societal problems, but it is not always successful.
34

Suppose a predator species became extinct over a short period of time. Which of the following would most likely happen to that predator’s prey species in the short term?

A
They will increase in numbers.
B
Their numbers will decrease significantly.
C
They will become extinct as well.
D
There will be no change in the prey species.
35

Which type of environmental science career involves collecting information about how human events impact the environment?

A
Environmental journalist
B
Environmental physician
C
Environmental engineer
D
Environmental designer
36

Only the water of marine ecosystems contains dissolved salt.

A
T
B
F

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