Biology 2483A Lecture Notes - Lecture 4: Heterotroph
16 Oct 2014
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Predators: o capture and consume live prey animals: haloparasites: o o o. 2. light reaction light is harvested and used to split water provide electrons to make atp and nadph dark reaction co2 is fixed in the calvin cycle and carbs are synthesized (doesn"t need light to happen) photosynthetic rate determines the supply of energy, which influences growth and reproduction o note: enviro controls on photosynthetic rate are important topics in physiological ecology light response curves show the influence of light levels on photosynthetic rate o o o o light compensation point: where co2 uptake is balanced by co2 loss by respiration saturation point: where p photosyn no longer increases as light increases in the dark you have negative co2 because of respiration(cid:224) note: plants can acclimatize to changing light intensities with shifts in light response curves shifts in light saturation point involve morphological and physiological changes.
