On Mon, 19 Apr 2004 12:04:11 +0100, Andy Hunt wrote:

So how do plants know which way is 'up', then, when they are germinating in
the dark . . . ? Does this not imply some sort of perceptive and
decision-making capability, albeit on a fairly mundane level?

Here's a link : http://www.biology-online.org/3/5_plant_hormones.htm

--
Tim C.