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Plant reprod

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  • 1. Reproduction in Plants and Animals
  • 2.
    • GET YOUR HOMEWORK OUT ON YOUR DESK
    • Clear everything else off your desk, except for a pencil
    • Get a textbook, paper towel, and a sheet of white computer paper off the front counter and bring them back to your seat (one per table)‏
    • Each student should get a plant worksheet off the front counter
    • Wait quietly for further instructions
  • 3.
    • 1. Throw out the plant parts and sheet of blank paper
    • 2. Put the textbook back on the front table
    • 3. Have only the three note worksheets and a writing utensil out on your desk
    • 4. Sit quietly and wait for instructions
  • 4. Plants: Sexual Reproduction
    • Sexual Reproduction in Plants
    • 1. Flower = reproductive organ, makes gametes (sperm and egg)‏
    • 2. Seed= Pollen (male) + egg cell (female) = baby plant
  • 5. Plants: Sexual Reproduction
    • Sexual Reproduction in Plants
    • 3. Male organ = Stamen
      • makes pollen (sperm cells)
  • 6.  
  • 7.  
  • 8. Plants: Sexual Reproduction
    • Sexual Reproduction in Plants
    • 4. Female Organ = Pistil-(center)‏
      • Ovary- at bottom
      • Fertilization
  • 9.  
  • 10.  
  • 11.  
  • 12.  
  • 13.  
  • 14.  
  • 15. Plants: Sexual Reproduction
    • Sexual Reproduction in Plants
    • 5. Perfect flower = Has a pistil and a stamen
    • 6. Imperfect flower= Has just a pistil or just a stamen
  • 16.  
  • 17. Comparing Perfect & Imperfect Flowers
    • Makes only pollen
    • Imperfect- with stamen
    • Makes both pollen and eggs
    • Perfect
    • The only self-pollinator
    • Perfect
    • Cannot pollinate any flower
    • Imperfect with pistil
    • In which plants can fertilization take place?
    • Perfect and imperfect with pistil
  • 18. Plants: Sexual Reproduction Illustrate this process in your notes
    • Sexual Reproduction in Plants
    • 7. Fertilization
      • A. Pollination- pollen transferred from stamen to pistil (wind, animal (bee), gravity)‏
      • B. 2 Pollen grow down into pistil’s ovary
      • C. Pollen fertilizes egg cell- to make a baby plant embryo
      • D. Other pollen develops into food (cotyledon) for embryo
  • 19.  
  • 20.  
  • 21.  
  • 22. Plants: Sexual Reproduction
    • Sexual Reproduction in Plants
    • 8. Seed
      • Made up of embryo, cotyledon, coat
  • 23. Plants: Sexual Reproduction
    • Sexual Reproduction in Plants
    • 9. Pollination
      • A. Self-pollination- gravity pulls pollen down from stamen to pistil
      • B. Wind
      • C. Insects- pollen sticks to them and travels with them to a new flower
  • 24.  
  • 25. Plants: Sexual Reproduction
    • Sexual Reproduction in Plants
    • “ Oh Say Can You Seed” Book by Dr. Seuss
  • 26. Plants: Asexual Reproduction “Vegetative Propagation”
    • Asexual Reproduction in Plants
    • 1. Runners- plant grows from an extension of a root or stem
      • Ex: ivy
  • 27. Plants: Asexual Reproduction “Vegetative Propagation”
    • Asexual Reproduction in Plants
    • 2. Cuttings- use leaf or stem cut from plant to grow a new one
  • 28. Plants: Asexual Reproduction “Vegetative Propagation”
    • Asexual Reproduction in Plants
    • 3. Grafting- transplant a cutting onto a different plant
      • Ex: apple trees
  • 29. Plants: Asexual Reproduction “Vegetative Propagation”
    • Asexual Reproduction in Plants
    • 4. Bulbs & Tubers- fat stems/roots that grown new plants underground
      • Ex: onion, potatoes
  • 30. Plants: Asexual Reproduction “Vegetative Propagation”
    • Asexual Reproduction in Plants
    • 5. Spores- small round reproductive cells underneath fern leaf (drop to ground)
  • 31. Assessment: Plant Reproduction
    • Compare and contrast sexual and asexual plant reproduction
  • 32. Assessment: Plant Reproduction
    • Distinguish between the roles of the “female” and “male” plant organs in sexual reproduction
  • 33. Assessment: Plant Reproduction
    • Describe the fertilization process in a flower
    • Pollen lands on top, grows down into ovule and fertilizes it, producing an egg cell and endosperm (seed)‏
  • 34. Assessment: Plant Reproduction
    • List the ways in which flowers become fertilized /pollinated
  • 35. Assessment: Plant Reproduction
    • Distinguish between the various forms of vegetative propagation in plants
  • 36. Assessment: Plant & Animal Reproduction
    • Compare the gametes involved in sexual reproduction in plants vs. animals
  • 37. Hand-On: Studying a Plant
    • Complete the flower dissection lab
  • 38. Plant Reproduction Websites
    • Plants in Motion
    • Tree of Life: Plants
    • Plant Investigations
    • The Great Plant Escape