Plant parts and roots

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Plant parts and roots

  1. 1. The EXTERNAL Structure of PLANTS
  2. 2. <ul><li>External Structure of the Plant – Parts of the plant on the outside. </li></ul><ul><li>The Root </li></ul><ul><li>Types of Root Systems </li></ul><ul><li>Functions of the Root System </li></ul><ul><li>Specialized Root Systems </li></ul>
  3. 3. MAIN ROOT LATERAL OR SIDE ROOT ROOT SYSTEM LEAF STEM FLOWER FRUIT NODE NODE NODE INTER- NODE TERMINAL BUD AXILLARY BUD SHOOT SYSTEM
  4. 4. The Shoot System is found ground and the Root System is found ground. ABOVE BELOW or UNDER
  5. 5. Types of Root System Looks like a tangled mass of roots <ul><li>Examples of plants </li></ul><ul><li>With this root </li></ul><ul><li>system are </li></ul><ul><li>Banana </li></ul><ul><li>Coconut </li></ul><ul><li>Rice </li></ul><ul><li>Corn </li></ul><ul><li>Sugar Cane </li></ul>All Grasses
  6. 6. Tap Roots Have a large main central root Have many branching roots Go deep in the soil <ul><li>Examples of plants : </li></ul><ul><li>Large trees e.g. </li></ul><ul><li>mango, avocado </li></ul><ul><li>Shrubs e.g. tomato, </li></ul><ul><li>peppers </li></ul>
  7. 7. Aerial Roots Plant attaches itself to tree branch or telephone wire Roots hang down in mid-air and absorb water from rainfall Examples : Wild Pine Some Orchids
  8. 8. Specialized Roots STILT ROOTS e.g. Mangrove
  9. 9. PROP ROOTS e.g. Corn
  10. 10. ADVENTITIOUS Roots - Grow from unusual places on plants such as - Stems, leaves and even fruits
  11. 11. Roots : Functions of Roots - anchor plants firmly in the ground - absorb water and minerals from the soil - of some plants, can store starch - of some plants can be used to grow a new plant
  12. 12. This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.

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