• Question: why do trees have bark?

    Asked by camelialequeux to Kat, Andrew, Katie, Sadaf on 19 Jun 2013.
    • Photo: Andrew Swale

      Andrew Swale answered on 19 Jun 2013:

      The bark does for the tree what your skin does for you. It’s an outer protective layer. A tree’s rough outer and inner bark must protect a layer that is just underneath, the cambium. That’s the only part of the tree trunk that has living, growing cells.

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