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Viewer Challenge
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TEACHING GUIDES


EXPEDITION PANAMA:
Viewer Challenge Quiz


Here are the answers to the Scientific American Frontiers Show 801: Expedition Panama Viewer Challenge:

  1. d

  2. Bats make sounds at frequencies higher than humans can hear

  3. Island created when dam built and area flooded to make canal

  4. b, c

  5. b

  6. Series of buzzes and a dance

  7. c

  8. Oceans separated, Caribbean became warmer, new environments created and species evolved, Gulf Stream formed, Europe warmed, evolutionary pressure on early humans

  9. 20%

  10. c





 

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