Environmental Changes Answers

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1
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Which short-term environmental change would a very small asteroid or comet impact on Earth most likely cause?

A
flooding
B
extinction
C
surface craters
D
weather pattern changes
2
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Which statement accurately describes tectonic plate movement?

A
Tectonic plate movement can be prevented with planning.
B
Tectonic plate movement does not cause environmental change.
C
Tectonic plate movement does not affect organisms.
D
Tectonic plate movement is a long-term environmental change.
3

Which natural occurrence is an example of a long-term environmental change?

A
Lightning sparks a forest fire.
B
An earthquake results in a tsunami.
C
A river floods due to a strong thunderstorm.
D
The peppered moth evolves from a light to a dark color.
4

A volcano violently erupts near a small town and wildlife preserve. Which effect might occur?

A
Some local species develop new adaptations.
B
New species form at the wildlife preserve.
C
Many wildlife species become extinct.
D
Ash and dust fill the air and reduce sunlight.
5

Which is one way that a short-term environmental change will most likely affect organisms within an ecosystem?

A
It will lead to larger populations.
B
It will lead to speciation.
C
It will lead to adaptation.
D
It will lead to forced migration.
6

What event might occur when favorable adaptations build up in a population over many generations?

A
starvation
B
extinction
C
migration
D
speciation
7

Humans clear-cut a forest. Which is one possible way that animals would most likely be affected by this action?

A
Some animals would adapt.
B
Some animals would go extinct.
C
Some animals would evolve.
D
Some animals would be forced to migrate.
8

During an earthquake, buildings and roads collapse. This causes people to move to new locations and find new homes.Which effect of short-term environmental change is presented in this scenario?

A
speciation
B
adaptation
C
forced migration
D
behavior change
9

Look at the image.

Question illustration
A
drought, short-term environmental change
B
flooding, short-term environmental change
C
earthquake, long-term environmental change
D
tsunami, long-term environmental change
10

A large asteroid impact occurs, kicking up dust that blocks the Sun and prevents plants from photosynthesizing. What would most likely happen as a result of the asteroid impact?

A
More earthquakes would occur across the planet.
B
Some plants would evolve to use dust as a source of food.
C
Many plants would perform photosynthesis without sunlight.
D
Many species would eventually die off because they lack a food source.
11

Which statement accurately describes long-term environmental changes?

A
Long-term environmental changes cause changes in genetic makeup.
B
Long-term environmental changes happen suddenly with little warning.
C
Long-term environmental changes occur in hundreds of years.
D
Long-term environmental changes immediately affect organisms in the environment.
12

Weather patterns during a La Niña cause less rainfall than normal along the southeastern coast of the United States. However, above-average rainfall occurs in Australia.Which event is most likely to occur during this La Niña?

A
Plants will die in Australia due to an increase in intense sunlight.
B
An earthquake will cause damage to buildings and roads in Australia.
C
A drought will cause rivers to run low along the southeastern coast of the United States.
D
Animals along the southeastern coast of the United States will lose habitat due to flooding.
13

Which long-term environmental change could allow some organisms to flourish?

A
drought
B
ice age
C
tsunami
D
large asteroid impact
14

Which represents the greatest time frame in which a short-term environmental change can occur?

A
in days
B
in minutes
C
over hundreds of years
D
over thousands of years
15

Which statement best describes an effect of large asteroid and comet impacts?

A
They cause Earth's tectonic plates to stop moving.
B
They can create large craters on Earth's surface.
C
They only affect small, isolated areas.
D
They have no impact on organisms.
16

What is a possible effect of long-term environmental changes?

A
adaptation
B
migration
C
habitat loss
D
starvation

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