Photosynthesis
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Photosynthesis

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Photosynthesis Photosynthesis Presentation Transcript

  • Two stages of photosynthesis
    • Capturing the sun’s energy
    • Using energy to make food
  • 1 st Stage of Photosynthesis
    • Chlorophyll and other pigments Capture energy from sunlight during photosynthesis
  • Chlorophyll
    • makes plants appear green
  • 2 nd Stage of Photosynthesis
    • The cell uses the energy from sunlight to make food from the raw materials
  • Carbon Dioxide and Water
    • Are the raw materials of photosynthesis
  • Stomata
    • An opening in the plant where carbon dioxide enters the plant and oxygen leaves
  • Oxygen and sugars
    • Are the products, what plants produce, during photosynthesis
  • Photosynthesis benefits heterotrophs
    • By creating food to eat and adding oxygen to the atmosphere
  • Autotroph
    • An organism that makes its own food, like plants
  • Heterotroph
    • An organism that does not produce its own food internally
  • Photosynthesis Equation
    • 6CO 2 + 6H 2 O + Energy  C 6 H 12 O 6 + 6O 2
    • Carbon Dioxide + Water + Energy from the sun  sugar (glucose) + oxygen
  • What does the plant do with the sugar it makes
    • Uses it for food (Breaks down the sugar to release the energy it contains)
    • Converts food into cellulose
    • Stores food for later plant use
    • When you eat plants you are eating the stored food