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 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.
3

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
4

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.
5

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.
6

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

A
drought
B
ice age
C
tsunami
D
large asteroid impact
7

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

A
starvation
B
extinction
C
migration
D
speciation
8

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.
9

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.
10

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

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