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    Ok, so I have a few questions I'm not sure about, can anyone help?

    1) Suggest 2 advantages to the phytoplankton of being concentrated just below the sea surface.
    - i put it enables them to absorb sunlight easily for photosynthesis, but cannt think of another one

    2) What does gCm-2 stand for when expressing primary productivity. In full.

    Thankyouu
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    1 - there's a higher oxygen concentration
    2 - sorry, i dont know
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    1) higher oxygen concentration.
    2) No idea. I thought GCM2 was some sort of gene?
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    (Original post by Kerry_x)
    Ok, so I have a few questions I'm not sure about, can anyone help?

    1) Suggest 2 advantages to the phytoplankton of being concentrated just below the sea surface.
    - i put it enables them to absorb sunlight easily for photosynthesis, but cannt think of another one

    2) What does gCm-2 stand for when expressing primary productivity. In full.

    Thankyouu
    1)
    - good position to capture sunlight
    - wins competition with plants growing on the sea bed e.g. seaweed

    2) grams of carbon per metre squared

    :-)
 
 
 
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