Jim Gilbert
Monarch Butterfly Monarch Butterfly
  • Symbolic Migration
  • Challenge Questions
  • Students' Answers
  • Monarch Field Data
  • Journey North News
  • Ask the Expert
  • Related Resources

    Today's News
    Today's News

    Migrations and Signs of Spring
    Migrations and
    Signs of Spring

    Report Your Sightings
    Report Your Sightings

    Teacher Discussion
    Teacher Discussion

    Search Journey North
    Search Journey North

    return to:
    JNorth Home Page

    A/CPB Home A/CPB

  • Challenge Question #11

    "What is a 'generation'? Why is an understanding of monarch generations important during the spring migration? For extra credit: How long is one generation of the following animals:"

    • Manatees?
    • Bald Eagles?
    • Caribou?
    • Robins?
    • Monarch Butterflies
    • Humans?

    (This question was asked as part of the April 15, 1997 Monarch Butterfly Migration Update).

    How to Respond to Journey North Challenge Question #11

    1. Address an E-mail message to: jn-challenge-monarch@learner.org
    2. In the Subject Line of your message write: Challenge Question #11
    3. In the body of the message give your answer!

    Don't Forget!
    Please tell us who you are! Include the name of your school, and your state or province.