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Cicada Data -


Cartoon of cicada waking up
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Cicada Data - "Chalk One up for Suburban Sprawl"

Credit: National Science Foundation

Audio Transcript:

And now a bit of Cicada Data...from the National Science Foundation.

Announcer: Location, location, location. Geographer John Odland of Indiana University tells us the survival of cicada young may depend on their mother's choice of the tree on which she lays her eggs.

Odland: Seventeen years is a long time in the life of a tree. Only a few generations of cicadas can use the same tree, so that evolution may select for those mothers who seek young trees that have a long life span that can nourish their young for the next 17 years. Those young trees are also most likely to be found along sunlit forest edges...

Announcer: ...edges, he says, humans often create...by building new housing subdivisions with patchworks of trees.

Chalk one up for suburban sprawl. That's Cicada Data. I'm Emilie de Azavedo.

 
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