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  1. Complete the table below on the adaptations and functioning of some structures in a dicotyledonous stem.
      Part Adaptation   
      Cambium  
     Parenchyma     
  2. Explain why the leaf of a sisal plant has a thick and shiny cuticle. 

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  1.  
      Part Adaptation   
      Cambium (Small) cells with dense cytoplasm to enable rapid mitotic division/giving rise to secondary growth.
     Parenchyma    Have thin walls for faster passage of materials
    have large vacuole/irregular shape for storage/provide space for packing.
  2.  
    1. (Sisal is a xerophyte) the thick cuticle enables it to conserve water; reduce water loss;
    2. It is shiny to reflect light, minimizing evaporation by radiation.
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