3rd grade-Ch. 1 Lesson 3 How are plants grouped?

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3rd grade-Ch. 1 Lesson 3 How are plants grouped?

  1. 1. Ch. 1 Lesson 3 How are plants grouped?
  2. 2. Plants are grouped by the kinds of parts they have.
  3. 3. flowering plants <ul><ul><li>grow flowers that make seeds & fruit </li></ul></ul>grass apple tree cactus
  4. 4. grasses <ul><ul><li>have long narrow leaves </li></ul></ul><ul><ul><li>do not have woody stems </li></ul></ul><ul><ul><li>grow back from roots each spring </li></ul></ul>trillium
  5. 5. deciduous trees <ul><ul><li>lose their leaves in fall </li></ul></ul><ul><ul><li>seeds form in flowers </li></ul></ul>dogwood tree
  6. 6. Temperate Deciduous Forest [01:39]
  7. 8. pollinate <ul><ul><li>to move pollen so a seed can form </li></ul></ul>
  8. 9. Bees pollinate flowers when they move pollen to the flower part that makes seeds.
  9. 10. After a flower is pollinated, seeds form near the center. A fruit often grows to surround and protect the seeds.
  10. 11. coniferous trees <ul><ul><li>do not lose all their leaves </li></ul></ul>
  11. 12. coniferous trees <ul><ul><li>grow 2 kinds of cones instead of flowers </li></ul></ul><ul><ul><li>small pollen cones </li></ul></ul><ul><ul><li>large seed cones </li></ul></ul>
  12. 13. coniferous trees
  13. 15. Plants are grouped by the kinds of parts they have.
  14. 16. flowering plants <ul><ul><li>grow flowers that make seeds & fruit </li></ul></ul>grass apple tree cactus
  15. 17. grasses <ul><ul><li>have long narrow leaves </li></ul></ul><ul><ul><li>do not have woody stems </li></ul></ul><ul><ul><li>grow back from roots each spring </li></ul></ul>trillium
  16. 18. pollinate <ul><ul><li>to move pollen so a seed can form </li></ul></ul>
  17. 19. How do bees pollinate flowers? By moving pollen to the flower part that makes seeds.
  18. 20. After a flower is pollinated, seeds form near the center. ______ often grows to surround and protect the seeds. A fruit
  19. 21. coniferous trees <ul><ul><li>do not lose all their leaves </li></ul></ul><ul><ul><li>grow 2 kinds of cones instead of flowers </li></ul></ul><ul><ul><li>pollen cones-small </li></ul></ul><ul><ul><li>seed cones-large </li></ul></ul>
  20. 22. deciduous trees <ul><ul><li>lose their leaves in fall </li></ul></ul><ul><ul><li>seeds form in flowers </li></ul></ul>dogwood tree
  21. 27. lose their leaves in fall seeds form in flowers
  22. 28. lose their leaves in fall seeds form in flowers
  23. 29. dogwood tree
  24. 30. dogwood tree
  25. 31. grow cones instead of flowers
  26. 32. grow cones instead of flowers

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