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A/CPB
Challenge Question #4
Karen Leichtweis
"How do you think monarchs know when it's time to leave Mexico?
(That is, how do you think the butterflies 'tell time'?)"
(This question was asked as part of the March 4, 1997 Monarch Butterfly Migration Update).
How to Respond to Journey North Challenge Question #4
- Address an E-mail message to: jn-challenge-monarch@learner.org
- In the Subject Line of your message write: Challenge Question #4
- 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.