PLANT STRUCTURE AND FUNCTION (THE LAST CHAPTER!!) - PowerPoint PPT Presentation

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PLANT STRUCTURE AND FUNCTION (THE LAST CHAPTER!!) PowerPoint Presentation
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PLANT STRUCTURE AND FUNCTION (THE LAST CHAPTER!!)

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  1. PLANT STRUCTURE AND FUNCTION (THE LAST CHAPTER!!)

  2. PLANT STRUCTURE AND FUNCTION • MONOCOTS VS DICOTS

  3. PLANT STRUCTURE AND FUNCTION • ORGAN SYSTEMS • ROOT SYSTEM • FUNCTION?? • SHOOT SYSTEM • MADE UP OF STEMS AND LEAVES • FUNCTIONS??

  4. PLANT STRUCTURE AND FUNCTION • ROOTS • FUNCTIONS?? • TYPES?? • TAPROOT VS FIBROUS • ROOT HAIRS • FUNCTION??

  5. PLANT STRUCTURE AND FUNCTION • STEMS • FUNCTION?? • NODES VS INTERNODES?

  6. PLANT STRUCTURE AND FUNCTION • LEAVES

  7. PLANT STRUCTURE AND FUNCTION • MAJOR TYPES OF PLANT CELLS • PARENCHYMA CELLS • COLLENCHYMA CELLS • SCLERENCHYMA CELLS • TRACHEIDS AND VESSELS* • SIEVE-TUBE CELLS AND COMPANION CELLS*

  8. PLANT STRUCTURE AND FUNCTION • MAJOR TYPES OF TISSUES • THREE TYPES • DERMAL • GROUND • VASCULAR • XYLEM VS PHLOEM

  9. PLANT STRUCTURE AND FUNCTION • PLANT GROWTH • PRIMARY VS SECONDARY • PRIMARY GROWTH IS VERTICAL • SECONDARY GROWTH IS HORIZONTAL • SECONDARY GROWTH IN WOODY DICOTS IS UNIQUE

  10. PLANT STRUCTURE AND FUNCTION • SECONDARY GROWTH IN WOODY DICOTS • UNIQUE STRUCTURES • VASCULAR CAMBIUM • CORK CAMBIUM • CORK • PRIMARY VS SECONDARY XYLEM**

  11. PLANT STRUCTURE AND FUNCTION • REPRODUCTION

  12. PLANT STRUCTURE AND FUNCTION • POLLINATION • TWO TYPES • WIND VS ANIMAL • MAJOR STRUCTURES TO REMEMBER • OVULE  develops into the seed • COTYLEDON  “SEED LEAF”; may become the embryonic first leaves of a seedling • RADICLE  is the embryonic root of the plant, and grows downward in the soil • HYPOCOTYL  primary organ of extension of the young plant and develops into the stem • EPICOTYL  embryonic shoot above the cotyledons. In most plants the epicotyl will eventually develop into the leaves of the plant • SEED COAT

  13. PLANT STRUCTURE AND FUNCTION • OVARY DEVELOPS INTO A FRUIT

  14. PLANT STRUCTURE AND FUNCTION • GERMINATION**

  15. PLANT STRUCTURE AND FUNCTION • VEGETATIVE REPRODUCTION VS VEGETATIVE PROPAGATION

  16. PLANT STRUCTURE AND FUNCTIONHORMONES!!!!

  17. PLANT STRUCTURE AND FUNCTION • TROPISM VS PERIODISM • PHOTOTROPISM • GROWING TOWARDS LIGHT (SLIGHTLY MISLEADING) • PHOTOPERIODISM • LONG-DAY VS SHORT DAY • ACTUALLY EFFECTBY HOURS OFDARKNESS