Briefly explain the function of at least 4 parts of a tree trunk

Briefly explain the function of at least 4 parts of a tree trunk

  • Bark

    • Protect the inner tree against:
      • Extreme temperature changes
      • Insects, fungi and animal attack
      • Moisture evaporation from the tree

  • Cambium layer

    Develops cells that form bark, promotes tree growth

  • Heartwood

    Storage for waste products, provides support for the tree

  • Sap wood

    conveys water and mineral salts from the roots to the leaves.  

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