B2i Coordination plants
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Auxin animation
Animation explaining auxin and tropisms.
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Phototropic response
Youtube clip with lots of examples of phototropism.
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Phototropism in tomatoes
Timelapse video (Youtube)
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Plants in motion
Lots of little movie clips of plants responding to light or gravity.
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S-cool tropisms
Revision on tropisms, auxin etc. from S-cool site.
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Tropisms – how do plants grow in space
SAPS resource on tropisms with links to video of plants growing on International Space Station.