• Question: Why are trees tall?

    Asked by redbow to Helen, Jenni, Mark, Martin, Stu on 14 Jun 2011.
    • Photo: Jenni Tilley

      Jenni Tilley answered on 14 Jun 2011:

      They grow up to reach the sunlight. Did you know that for most trees, their root structure is as big as the rest of the tree above ground?!

    • Photo: Helen O'Connor

      Helen O'Connor answered on 14 Jun 2011:

      I don’t know why some trees grow taller than others – like a giant redwood. But I do know that if you prune a sapling tree when it is growing, you can make it into a bonsai tree, which is really small.

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