M Carothers EDET-709 Plant Groups


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powerpoint based on the South Carolina 6th grade science standard 6-2.3

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M Carothers EDET-709 Plant Groups

  1. 1. Info about the set up of this power point (don’t worry, it won’t show up!). <ul><li>I structured this power point (hopefully) around something that I learned from one of my graduate theory classes. </li></ul><ul><li>The idea is that students viewing a multimedia presentation can quickly have their working memory overwhelmed by the information (cognitive overload). </li></ul><ul><li>There are two ways for information to get into working memory, auditorially and visually. Working memory is pretty small, about seven items, so using both “channels” helps get more info into working memory before their working memory becomes overloaded and stops taking in information. </li></ul><ul><li>What I did was start with pictures to show members of the plant groups and then pictures to show the characteristics of the plant groups. This is visual information. During this time, I’m planning on talking about the pictures and the characteristics (auditory input). Two ways into working memory. </li></ul><ul><li>Then there is written information that they will fill in the blanks on a handout (visual reinforcement of the auditory information and good for at home review). The handout is in the shared science folder, modified standards sub-folder, standard 6-2.3 word document. </li></ul><ul><li>Finally, the example pictures show up again to reinforce what the examples actually look like as many have not seen all of the listed examples. </li></ul>
  2. 2. Plant Groups Standard 6-2.3 M. Carothers, Feb. 2009
  3. 3. Plant Groups <ul><li>There are 8 main plant groups to study: </li></ul><ul><ul><li>Vascular </li></ul></ul><ul><ul><li>Nonvascular </li></ul></ul><ul><ul><li>Seed producing </li></ul></ul><ul><ul><li>Spore producing </li></ul></ul><ul><ul><li>Flowering </li></ul></ul><ul><ul><li>Cone bearing </li></ul></ul><ul><ul><li>Monocot </li></ul></ul><ul><ul><li>Dicot </li></ul></ul>
  4. 4. Vascular – Pictures
  5. 5. Vascular – Key Characteristics
  6. 6. Vascular – Key Characteristics <ul><li>Largest group in Plant Kingdom </li></ul><ul><li>Have roots, stems, and leaves </li></ul><ul><li>Have tubes to transport materials </li></ul>
  7. 7. Vascular – Key Characteristics
  8. 8. Vascular – Examples <ul><li>Trees </li></ul><ul><li>Ferns </li></ul><ul><li>Shrubs </li></ul><ul><li>Grasses </li></ul><ul><li>Flowering plants </li></ul><ul><li>Cone-bearing plants </li></ul>
  9. 9. Vascular – Pictures
  10. 10. Nonvascular – Pictures ALL NVP’ S small! ARE
  11. 11. Nonvascular – Key Characteristics X X X X
  12. 12. Nonvascular – Key Characteristics <ul><li>No way to transport materials throughout plant </li></ul><ul><li>Materials must pass from cell to cell </li></ul><ul><li>Very small to allow materials to pass from cell to cell </li></ul><ul><li>Do not have true roots, stems, or leaves </li></ul><ul><li>Simplest type of plants </li></ul>
  13. 13. Nonvascular – Key Characteristics
  14. 14. Nonvascular – Examples <ul><li>Mosses </li></ul><ul><li>Liverworts </li></ul><ul><li>Hornworts </li></ul>
  15. 15. Nonvascular – Pictures ALL NVP’ S small! ARE
  16. 16. Seed Producing – Pictures
  17. 17. Seed Producing – Key Characteristics
  18. 18. Seed Producing – Key Characteristics <ul><li>Reproduce with seeds </li></ul><ul><li>Vascular </li></ul><ul><li>All seeds have a seed coat </li></ul><ul><li>All seeds have one or two food storage areas called cotyledons </li></ul><ul><li>Developing plant inside of seed is called an embryo </li></ul>
  19. 19. Seed Producing – Key Characteristics
  20. 20. Seed Producing – Examples <ul><li>Trees </li></ul><ul><li>Shrubs </li></ul><ul><li>Grasses </li></ul><ul><li>Flowering plants </li></ul><ul><li>Cone-bearing plants </li></ul>
  21. 21. Seed Producing – Pictures
  22. 22. Spore Producing – Pictures
  23. 23. Spore Producing – Key Characteristics X X X X Except for ferns
  24. 24. Spore Producing – Key Characteristics <ul><li>Produce spores for reproduction instead of seeds </li></ul><ul><li>Nonvascular </li></ul><ul><li>EXCEPT . . . ferns are vascular! (add in) </li></ul>
  25. 25. Spore Producing – Key Characteristics
  26. 26. Spore Producing – Examples <ul><li>Ferns </li></ul><ul><li>Mosses </li></ul><ul><li>Liverworts </li></ul><ul><li>Hornworts </li></ul>
  27. 27. Spore Producing – Pictures
  28. 28. Flowering – Pictures
  29. 29. Flowering – Key Characteristics
  30. 30. Flowering – Key Characteristics <ul><li>Produce a flower to aid in reproduction </li></ul><ul><li>Seeds grow inside of an ovary inside of the flower </li></ul><ul><li>The flower becomes a fruit containing the seeds/embryos. </li></ul><ul><li>Vascular </li></ul>
  31. 31. Flowering – Key Characteristics Ovaries
  32. 32. Flowering – Examples <ul><li>Many trees </li></ul><ul><li>Shrubs </li></ul><ul><li>Vines </li></ul><ul><li>“fruit” plants </li></ul><ul><li>“vegetable” plants </li></ul><ul><li>legumes </li></ul>
  33. 33. Flowering – Pictures
  34. 34. Cone-bearing – Pictures
  35. 35. Cone-bearing – Key Characteristics
  36. 36. Cone-bearing – Key Characteristics <ul><li>Produce a cone to aid in reproduction </li></ul><ul><li>Most are evergreens with needle-like leaves </li></ul><ul><li>Vascular </li></ul>
  37. 37. Cone-bearing – Key Characteristics Needle-like leaves
  38. 38. Cone-bearing – Examples <ul><li>Pine trees </li></ul><ul><li>Spruce trees </li></ul><ul><li>Juniper trees </li></ul><ul><li>Redwood trees </li></ul><ul><li>Cedar trees </li></ul>
  39. 39. Cone-bearing – Pictures
  40. 40. Monocot – Pictures
  41. 41. Monocot – Key Characteristics 1 2 3 1 2 3 4 5 6
  42. 42. Monocot – Key Characteristics <ul><li>Seed has one storage area for food </li></ul><ul><li>Flowers have 3 (or multiple of three) petals </li></ul><ul><li>Long thin leaves with parallel veins </li></ul><ul><li>Vascular, with scattered vascular bundles </li></ul>
  43. 43. Monocot – Key Characteristics 1 2 3 1 2 3 4 5 6 Petals in 3’s Parallel veins
  44. 44. Monocot – Examples <ul><li>Grass </li></ul><ul><li>Corn </li></ul><ul><li>Rice </li></ul><ul><li>Lilies </li></ul>
  45. 45. Monocot – Pictures
  46. 46. Dicot – Pictures
  47. 47. Dicot – Key Characteristics 1 2 3 4 5 4 3 2 1
  48. 48. Dicot – Key Characteristics <ul><li>Seed has two storage areas for food </li></ul><ul><li>Flowers have four or five (or multiples of) petals </li></ul><ul><li>Wide leaves with branching veins </li></ul><ul><li>Vascular, with circular vascular bundles </li></ul>
  49. 49. Dicot – Key Characteristics 1 2 3 4 5 4 3 2 1 Petals in 4’s & 5’s Branching veins
  50. 50. Dicot – Examples <ul><li>Roses </li></ul><ul><li>Dandelions </li></ul><ul><li>Maple trees </li></ul><ul><li>Oak trees </li></ul>
  51. 51. Dicot – Pictures
  52. 52. Review Questions <ul><li>Answer all questions. </li></ul><ul><li>Think about what you have learned and what you have seen. </li></ul><ul><li>Read the questions carefully as some of them are a bit tricky. </li></ul><ul><li>Look for the answer that is the best because there can be more than one answer choice that is “correct.” </li></ul>
  53. 53. Review - Example <ul><li>What would a tree with leaves like these not produce? </li></ul><ul><li>Cone </li></ul><ul><li>Roots </li></ul><ul><li>Stems </li></ul><ul><li>Flowers </li></ul>
  54. 54. <ul><li>This is a fir tree, so let's figure out the group that it is in. </li></ul><ul><li>It is a fairly big plant, so it is not nonvascular. </li></ul><ul><li>If it is vascular, then it has: </li></ul><ul><ul><li>roots </li></ul></ul><ul><ul><li>stems </li></ul></ul><ul><ul><li>leaves </li></ul></ul><ul><li>This means that the following answer choices are incorrect because a fir tree would have: </li></ul><ul><ul><li>B. Roots (all vascular plants have roots) </li></ul></ul><ul><ul><li>C. Stems (all vascular plants have stems or trunks) </li></ul></ul><ul><li>It is not a fern, so it is a seed producing plant. This means it is one of the following groups: </li></ul><ul><ul><li>Cone-bearing </li></ul></ul><ul><ul><li>Flowering (monocots and dicots are the two types of flowering plants). </li></ul></ul><ul><li>So does this produce cones or does it produce flowers? </li></ul><ul><li>It produces cones, so what does it not have? </li></ul><ul><li>FLOWERS! Choice D. </li></ul>
  55. 55. Review Question 1 <ul><li>What is structure I ? </li></ul><ul><li>Seed </li></ul><ul><li>Embryo </li></ul><ul><li>Cotyledon </li></ul><ul><li>Seed coat </li></ul>I II The seed coat surrounds the seed. The cotyledon is the food for the embryo and is labeled “II”. The part labeled “I” is the embryo.
  56. 56. Review Question 2 <ul><li>What must be true about the seed? </li></ul><ul><li>It must be a spore. </li></ul><ul><li>It must be vascular. </li></ul><ul><li>It must be from a cone. </li></ul><ul><li>It must be a dicot. </li></ul>I II All seed producing plants are vascular, but not all of them are dicots or produce cones.
  57. 57. Review Question 3 <ul><li>The plant pictured is a liverwort. Which of the following is true of liverworts? </li></ul><ul><li>They have roots. </li></ul><ul><li>They have leaves. </li></ul><ul><li>They produce seeds. </li></ul><ul><li>They are very small. </li></ul>All nonvascular plants are small.
  58. 58. Review Question 4 <ul><li>You cut a plant in half and see the following. </li></ul><ul><li>What does that tell you about the plant? </li></ul><ul><li>They have roots. </li></ul><ul><li>They do not have leaves. </li></ul><ul><li>They produce seeds. </li></ul><ul><li>They are very small. </li></ul>Vascular plants have roots and leaves, but not all vascular plants produce seeds (ferns).
  59. 59. Review Question 5 <ul><li>What plant group must this leaf belong to? </li></ul><ul><li>Spore producing </li></ul><ul><li>Seed producing </li></ul><ul><li>Monocot </li></ul><ul><li>Dicot </li></ul>Monocots have leaves that are long and thin and that have parallel veins.
  60. 60. Review Question 6 <ul><li>What type of plant can these roots not possibly be from? </li></ul><ul><li>Nonvascular </li></ul><ul><li>Vascular </li></ul><ul><li>Flowering </li></ul><ul><li>Cone-bearing </li></ul>Nonvascular plants do not have roots. They have rhizoids.
  61. 61. Review Question 7 <ul><li>What could you find on a tree that had leaves like these? </li></ul><ul><li>Cones </li></ul><ul><li>Flowers </li></ul><ul><li>Spores </li></ul><ul><li>Rhizoids </li></ul>The leaves have branching veins so the plant is a dicot. Dicots produce flowers.
  62. 62. Review Question 8 <ul><li>What type of plant can this flower be from? </li></ul><ul><li>Nonvascular </li></ul><ul><li>Dicot </li></ul><ul><li>Monocot </li></ul><ul><li>Cone-bearing </li></ul>Dicots produce flowers that have four or five petals.
  63. 63. Review Question 9 <ul><li>Which of the following plants produces spores but is vascular? </li></ul><ul><li>Moss </li></ul><ul><li>Hornwort </li></ul><ul><li>Fern </li></ul><ul><li>Sunflower </li></ul>Ferns are vascular and have spores
  64. 64. Review Question 10 <ul><li>What is not true of a plant with the structures pictured? </li></ul><ul><li>It has roots </li></ul><ul><li>It has a stem </li></ul><ul><li>It is vascular </li></ul><ul><li>It is a monocot </li></ul>Monocots produce flowers, not cones.