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The
Silence of the Birds
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1. |
Why are the Guam rail and other birds native to Guam
such easy prey for the brown tree snake?
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2. |
How does Don Nichols hope to eradicate the brown tree
snake from the island of Guam?
a)
by shooting all the snakes
b) by capturing and relocating the snakes
c) by releasing a flu-like virus to kill the snakes
d) by poisoning the snakes with a snake-specific toxin.
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Green
Invader
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3. |
Name two reasons why the invasive alga Caulerpa
taxifolia has gained such a foot-hold in the Mediterranean
Sea?
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4. |
What are two ways humans have helped to spread the invasive
Caulerpa in the Mediterranean and in California?
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5. |
What does Alex Meinesz think might be the best way to
get rid of Caulerpa in the Mediterranean?
a)
killing it with chemicals
b) introducing a non-native Caulerpa-eating slug
c) physically removing the algae
d) blocking the Caulerpa's sunlight.
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The
Silken Tree Eaters
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6. |
How are biologists attempting to keep the Asian longhorned
beetle from spreading beyond New York City and Chicago?
a)
chipping affected trees and treating nearby trees with
pesticides
b) releasing a virus to kill the beetles
c) introducing a predator that eats the beetle
d) passing laws against trading with Asia
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7. |
What was one unwelcome consequence of attempts to control
gypsy moths biologically?
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Dust
Busting
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8. |
How did the fungus killing the Caribbean sea fans arrive
in the region?
a)
brought over by ships
b) carried on the feet of tourists
c) accidentally released by scientists
d) carried on dust particles blown over from Africa
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9. |
What human behavior may play a role in increasing the
occurrence of the answer to Question #8?
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10. |
According
to new research, what human ailment might also be caused
by the answer to Question #8?
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