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7th Grade - Unit 1 Plants

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    plants, photosynthesis
  •   Study   Slideshow
  • Every food chain begins with a ___.
    plant / producer
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  • What does "synthesis" mean?
    making
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  • What are the two REACTANTS for photosynthesis?
    water and carbon dioxide
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  • What is "biomass"?
    material / substance that is made of living cells and tissues
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  • Why do plants need photosynthesis?
    to make food
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  • In a food chain/web, what do the arrows represent?
    energy transfer / flow
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  • What pigment makes leaves green?
    chlorophyll
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  • What is the function of chlorophyll?
    absorb light energy from sunlight
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  • Why does chlorophyll appear to be green?
    it reflects green light & absorbs other colors
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  • What part of the leaf stops the leaf cells from drying out?
    waxy layer
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  • What layer of the leaf contains cells that do most of the photosynthesis?
    palisade layer
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  • In the photosynthesis lab, what did you count to investigate the rate of photosynthesis?
    bubbles (of oxygen)
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  • What is the function of this cell?
    absorb water (part of roots)
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  • What ADAPTATION does this cell have to help it function?
    large surface area
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  • What is the name of the vessel that transports water and minerals in plants?
    xylem
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  • What vessel carries food and water around the plant (labeled B in image)?
    phloem
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