Visit Your Local PBS Station PBS Home PBS Home Programs A-Z TV Schedules Watch Video Donate Shop PBS Search PBS
SAF Archives  search ask the scientists in the classroom cool science

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

Voyage to the Galapagos:
Viewer Challenge Quiz

Here are the answers to the Scientific American Frontiers Show 1001: Voyage to the Galapagos Viewer Challenge:

  1. animals show an extraordinary indifference to people

  2. a

  3. b

  4. natural selection

  5. answers will vary: floating rafts of vegetation, chunks of land, brought on boats

  6. b, c

  7. c

  8. answers will vary: raising two chicks too hard on mother booby, it enables boobies to survive

  9. answers will vary; invading species or predators (dogs, rats, goats, pigs) ate eggs and hatchlings

  10. d


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