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Environmental Changes Answers

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1
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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.
2
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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.
3

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

A
adaptation
B
migration
C
habitat loss
D
starvation
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 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.

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