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Re: [OM] (OT) help phototropism

Subject: Re: [OM] (OT) help phototropism
From: Winsor Crosby <wincros@xxxxxxxxxxxxx>
Date: Fri, 4 May 2001 17:39:21 -0700
5/3/01 10:41:16 AM, "e.g." <eg4b@xxxxxxxxxxxx> wrote:

It happens because the area not exposed to sun grows faster than the
sun-facing side.

(I remember my 6th grade teacher saying they don't know why this happens,
then last year I got this explanation from an aquarium newslist. I was so
happy.)

really? i thought it was because the plant /wants/ to grow. that is, the differential growth rate is not cause by differential lighting (but from a chemical reaction that /reduces/ growth on one side to get /more/ sunlight). i dunno, it's been
almost a year from my upper-division botany class...


Did not know plants had free will. :-)
--
Winsor Crosby
Long Beach, California, USA
mailto:wincros@xxxxxxxxxxx



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