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7th Grade Chapter 2 Lesson 5
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7th Grade Chapter 2 Lesson 5

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7th Grade Chapter 2 Lesson 5 Presentation Transcript

  • 1. Chapter 2 Lesson 5 Pgs. 56-61 For Student Use Only
  • 2. Plants
    • Monocots
      • Monocots- have one cotyledon
      • Parallel Veins
      • Petals in multiples of 3
      • Fibrous root systems
    • Dicots
      • Dicots- have two cotyledons
      • Branched veins
      • Petals in multiples of four or five
      • Taproot system
  • 3. Plants
    • Dicots:
      • Almost 3/4 (three-fourths) of all the species of flowering plants are dicots
      • Examples: buttercups, milkweed, mint, buttercup
    • Monocots:
      • Grass family
      • Lily Family
      • Grows from bulbs
  • 4. Plants
    • Lily Family:
      • Have petals in groups of three
      • Grow from bulbs
        • Bulbs: structure made layers of thick, fleshy leaves surrounding a very short stem
      • Includes aloes, Joshua Tree, and Yuccas
  • 5. Plants
    • Amaryllis Family:
      • Half grow from bulbs
      • Other grow from Corms or Rhizomes
        • Corms- thick vertical underground stems
        • Rhizomes- horizontal stems lying along the ground
      • Location of Ovaries:
        • Inferior- attached below other flower parts
        • Superior- attached above other
    • Ex. Daffodil, Wild Onion, Chive, Belladonna Lilly
  • 6. Plants
    • Grasses- Meadow Plants
      • Characteristics:
        • Grasses weight is all on the roots
        • Has a stolon:
          • Stolon- creeping stem that grows above the ground
        • Has a stem:
          • Called a culm
        • Has a node- joint in the grass
  • 7. Plants
    • Grasses- Meadow Plants
      • Characteristics:
        • Leaf is made of a sheath and a blade
        • Spikelets- small flowers
        • Grain- seed from grass
      • Types of Grasses:
        • Bamboo or Sugar Cane
    • Grasses are the most important group of plants on Earth.
  • 8. Plants
    • Grasses:
      • All cereals (wheat, barley, rye, oats, and rice) are grasses.
      • They have a green color (which is relaxing).