Carbon biomass net photosynthesis 0 if photosynthesis

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carbon / biomass ( net photosynthesis < 0) If photosynthesis = respiration, plant will maintain biomass, but not grow ( net photosynthesis = 0) Light intensity where photosynthesis = respiration is called the light compensation point
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Tradeoff Shade plants grow better in the sun than in the shade, but sun plants grow faster than shade plants in direct sun Shade plant Sun plant Fig. 6.14
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Tradeoff Shade plants survive well in either sun or shade Sun plants cannot tolerate shade Shade plant Sun plant Fig. 6.14
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Phenotypic plasticity Most plants have the ability to alter their morphology (within limits) in response to light conditions Fig 6.12
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