ChapA1.3
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Science Chapter A1 lesson 3 on plant classification

Science Chapter A1 lesson 3 on plant classification

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ChapA1.3 ChapA1.3 Presentation Transcript

  • Plant Classification Plants with Tubes ( Vascular Plants )
  • Kingdom: Plants
    • all plants have many cells/cells have nuclei
    • do not need to eat other living things to survive
      • make their own food
    • Vascular plants: have tubes
      • tubes found in roots, stems, and leaves
      • water and nutrients enter plant through roots
        • tubes carry water and nutrients through plant to leaves
      • food is made in leaves
        • different set of tubes carries food to parts of plant
      • Ferns are a type of vascular plant
    • Trees are a type of vascular plant
      • trunk: largest woody steam
      • center of trunk: heartwood - made of hard, dead calls
      • around heartwood: rings of sapwood
        • living tubes that carry water and food are found in sapwood
      • outside layer: bark - dead cells that protect the living sapwood
    • any plant that has flowers or cones is a vascular plant
  • Plants without Tubes Nonvascular plants
    • nonvascular plants: do not have tubes
      • moss is a nonvascular plant
    • water must soak into plants
      • passes from cell to cell
      • food travels with water
        • because of this nonvascular plants must live in damp places (lots of water to soak)
        • do not grow tall or large
    • need fertile, moist soil
    • have no roots, stems, or leaves
  • Summary
    • Plants classified in 2 groups
      • Vascular plants: have tubes
        • Carry water and nutrients in tubes
        • Grow tall
      • Nonvascular plants: no tubes
        • Take in water from environment
        • Need to live in moist place
        • Do not grow tall or large