24_biological_pump - Marine Biology: Biochemistry Light &...

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Marine Biology: Biochemistry Passage of light through seawater • Absorption by H 2 O – reds are 1 st absorbed – blue last Photosynthesis • Using CO 2 and H 2 O to make simple sugars and O 2 • Pigments (like chlorophyll) capture visible light (sunlight) • Can only capture (absorb) the light available (in the ocean this light is mostly blue). Respiration • Breaking down simple sugars to make energy using O 2 - producing CO 2 and H 2 O as waste. Energy is used to grow, move, reproduce or is passed onto consumers via eats… • Happens in the light and in the dark
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Marine Biology: Biochemistry Biogeochemical cycles: What are nutrients – P (phosphate), NO 3 (nitrate) and C (carbon) cycles Biological pump Gases (mondays lecture): We will put these topics together to discuss how Conveyor Belt (deep water) circulation and upwelling (divergence) change the nutrients in the photic zone.
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is food or chemicals
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This note was uploaded on 12/03/2010 for the course ENVIRON GS 222/ENV taught by Professor Ingridhendy during the Fall '10 term at University of Michigan.

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24_biological_pump - Marine Biology: Biochemistry Light &...

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