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ROOTS!!

ROOTS!!. The place where the journey begins. There are 4 jobs that roots do:. Anchor The tree failed before the roots. Why do most trees fall when it rains?. There are 4 jobs that roots do:. Absorb The main thing they absorb is water. Root structures.

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ROOTS!!

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  1. ROOTS!! The place where the journey begins

  2. There are 4 jobs that roots do: • Anchor • The tree failed before the roots. • Why do most trees fall when it rains?

  3. There are 4 jobs that roots do: • Absorb • The main thing they absorb is water

  4. Root structures • Root hairs – How do you think these help with absorption?

  5. There are 4 jobs that roots do: • Transport • What needs to be transported?

  6. Root structures • Central / Vascular cylinder – xylem, phloem and cambium • What is the job of xylem? Phloem? • Cambium makes more xylem and phloem

  7. There are 4 jobsthat roots do: • Store

  8. Root structures • Cortex – main site of storage

  9. Turnips Look in this reading for the sad story of turnips. turnips

  10. Jack o Lanterns Check out this link on the history of jack o lanterns jack o lanterns

  11. Carrots and…. http://www.youtube.com/watch?v=LOiKa51ll-k Read about cartotenemia carotenemia Read the part under “the partridge family Susan Dey

  12. Cassava Read the following about the good and bad of cassava cassava

  13. Meristem • Growth regions of the plant • Found at the ends of the root and the stem • What cellular process do you think happens here?

  14. Two types of root systems: • Fibrous

  15. Two types of root systems: • Tap

  16. 4 Zones of roots

  17. 4 Growth regions of the plant • Root cap • Protects and produces a slime

  18. 4 Growth regions of the plant • Zone of cell division / meristematic growth

  19. 4 Growth regions of the plant • Zone of elongation • Cells grow but they are unspecialized

  20. 4 Growth regions of the plant • Zone of maturation / absorption – specialization occurs

  21. Root structures • Epidermis – outer covering

  22. Specialized roots – Food storage

  23. Specialized roots • Water storage • Remember this plant?

  24. Specialized roots • Propagative – roots that produce clones by spreading out and then send up new shoots • Most cherry orchards are produced this way

  25. Specialized roots • Pneumatophores • Read pneumatophores :

  26. Specialized roots • Aerial Roots • Read the following Aerial root

  27. Specialized roots Buttress roots • Buttress roots

  28. Specialized roots • Prop roots

  29. Specialized roots • Parasitic roots

  30. Specialized roots • Climbing roots

  31. Nitrogen fixation Go to the bottom of this page to read about and understand nitrogen fixation nitrogen fixation

  32. Legumes

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