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Darwin's Eden

Evolving Beaks

Lizards of the Sea

Masked Killers

Paradise Lost?

Viewer Challenge

Letter from Alan Alda

Related Sites for Voyage to the Galapagos
in the classroom
TEACHING GUIDES


Voyage to the Galapagos:
Viewer Challenge Quiz


Watch the Scientific American Frontiers special Voyage to the Galapagos (Show 1001), and then test your knowledge by answering the following questions.



"Darwin's Eden"

Watch the Scientific American Frontiers special Voyage to the Galapagos (Show 1001), and then test your knowledge by answering the following questions.

1. All the animals in the Galápagos exhibit this unusual trait in the presence of people.


2. Darwin referred to them as "aboriginal species." Biologists today call them:
a. endemic species.
b. endangered species.
c. extinct species.
d. primitive species.

"Evolving Beaks"

3. The 13 species of these birds, made famous by Darwin, are a classic example of how living things adapt to their environment.
a. mockingbirds
b. finches
c. parrots
d. boobies
4. According to Darwin, the driving force of evolution is:


"Lizards of the Sea"

5. How did large land animals get to the Galápagos?


6. The 1997-98 El Niño was especially devastating for marine iguanas because it (choose two):
a. made ocean water colder.
b. killed the algae.
c. made ocean water warmer.
d. caused predators to invade.
"Masked Killers"

7. According to biologist Dave Anderson, about ___% of eggs laid by the masked booby hatch.
a. 10
b. 25
c. 60
d. 75
8. Anderson's observations suggest that for masked boobies, "siblicide" is a successful adaptive behavior because:


"Paradise Lost?"

9. What caused land iguanas to became extinct on Santiago?

10. In tortoises and other reptiles, the sex of the offspring depends upon the:
a. ocean temperature.
b. weather.
c. time of year when eggs were laid.
d. temperature of the nest.

I WANT TO SEE THE ANSWERS TO THE VOYAGE TO THE GALAPAGOS VIEWER CHALLENGE!





 

Scientific American Frontiers
Fall 1990 to Spring 2000
Sponsored by GTE Corporation,
now a part of Verizon Communications Inc.