24_biological_pump - Marine Biology Biochemistry Light...

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Marine Biology: Biochemistry Light & Photosynthesis : Review 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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A nutrient is food or chemicals
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