Wednesday, April 24, 2013

What we know about Plants

Here are a few short videos showing what we know about plants:

http://www.youtube.com/watch?v=xDvI-nMvArk

http://www.youtube.com/watch?v=Rg0twJ9OqOc

http://www.youtube.com/watch?v=9XSh9qL47xA

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