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From small acorn to oak tree
Acorns produce a large tap root which will anchor it for the rest of its life. It sprouts a shoot which grows straight up towards the sun. Here you can see how the acorn changes throughout the seasons as it begins to grow into an oak tree. This clip from Natural World is published on Nature Video Collections: bbc.co.uk/nature/collections. Please note this clip is only available in Flash.
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