How Many Monarchs in a Single Photo?
Arriving in Mexico, November 5, 2005
(Back
to start.)
This
is a close-up view of one square.
- We
counted as many butterflies as we could see in this square. (Try it!
Click on the image and print it out. Cross it off each butterfly as
you count it.)
- After
we had the total for this square, what do you think we did next to estimate
of the total number in the single photo?
Think,
then
read on.... >>
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