1 / 32

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.

iorwen
Download Presentation

ROOTS!!

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  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

More Related