Science- plant organs

Stem, Flower, Root, Leaf

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Stem and Flower


  • The stem is the organ which holds the leaves upright in the air and facing the light.
  • It carries water and minerals to the leves, and the food around the plant.
  • The stem is therefore really important for nutrition, excretion and growth.

Flower :

  • The flower contains the organs of plant sexual reproduction.
  • It attracts insects needed to cary the pollen between plants to allow pollination.
  • Its therefore really important for reproduction
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  • The leaves are the organs of photosyntheses. They make all the food that the plant needs.
  • Leaves contain chlorophyll which uses light energy to change          CO2 and water into glucose.
  • They have tiny little pores which allow essential CO2 in, and waste gases out- there are no lungs.
  • So leaves are really important for nutrition and excretion.
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Root :

  • The root is the organ which provides anchorage for the plant- so it doesn't blow away or fall over by accident.
  • With it's root hairs it provides a bis surface area to help take in water and minerals from the soil- these are both essential for photosyntheses.
  • The root is therefore really important for nutrition.
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