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2 19  Photosythesis & Leaves
 

2 19 Photosythesis & Leaves

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    2 19  Photosythesis & Leaves 2 19 Photosythesis & Leaves Presentation Transcript

    • Leaves & Photosynthesis Plant: Hyacinth Term: Photosynthesis
    • Hyacinth
      • Plant type: Interior Plant, Perennial
      • USDA Hardiness Zones: 6a to 9a
      • Height: 9" to 12" Spread: 3" to 5"
      • Exposure: partial shade to full sun
      • Blooms Color: Early to Mid spring, Blue, Pink, Purple, Red, White, Yellow
      • Soil: dry to moist, Loamy, Neutral, Well drained
      • Uses: Borders, forced potted plant, cut flower.
      • Extremely fragrant
      • Grows from bulbs – has vernalization requirement
    • Photosynthesis
      • The process of converting energy from the sun and Carbon dioxide from the atmosphere into glucose (food).
      • Photosynthesis
      • Respiration – the OPPOSITE of photosynthesis
        • Carbohydrate + Oxygen + Water ->
          • Water + Carbon Dioxide + Energy
      • Plants photosynthesize & respire
    • C 3 & C 4 Photosynthesis
      • Two kinds of photosynthesis: C 3 & C 4
        • C 4 Plants photosynthesis more rapidly than C 3
        • C 4 Plants can photosynthesize at hotter temperatures and brighter light than C 3
        • C 4 Plants use CO 2 more efficiently than C 3 Plants.
      • C 4 Plants are better suited to warm & tropical climates
      • C 3. Plants are better suited to more temperate areas
    • Leaf Functions
      • Photosynthesis
        • Food Manufacture
        • Only in leaves & stems (Green parts)
      • Respiration
        • Opposite of photosynthesis
        • Necessary for growth
        • All plant cells
      • Transpiration
        • Water control
    • Leaf Anatomy
      • Stomata – pore openings in the epidermis
      • Control water & gas flow
    • Chloroplasts & Chlorophyll
      • Site of photosynthesis
      • Light phase
        • Sunlight to ATP
      • Dark phase
        • ATP to glucose
    • Leaf Arrangements
    • Leaf Shapes
    • Leaf Margins
    • Why is it important?
      • Leave shapes, margins, and arrangements are used to identify unknown plants.
      • ID keys take you step by step through the leaf arrangement until you have found the right plant
      • Common Trees of Va. book
    • Fast Plants Seeds
      • Start Fast Plants
      • Everybody gets 6 seeds
      • 1 Petri Dish
      • Person with the highest seed production at the end of the lifecycle gets a Subway gift card.