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Exam II - Coggle Diagram
Exam II
STOMATA
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Primary functions
regulate gas exchange (O2 out, CO2 in) and control water loss
Photosynthetic Dependent
protons are pumped out, potassium moves in; provides ATP for potassium pump
closure at night or under drought conditions to prevent loss of transpiration and to maintain hydration
LIFE CYCLE EVOLUTION
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Spores, Egg, Sperm: haploid
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Gametophyte dominant: liverwort, moss
Sporophyte dominant: selaginella, fern, pine
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PHOTOSYNTHESIS
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Photosystems
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Accessory Pigments: carotenoids; beta carotene; help broaden absorption spectrum; visible during autumn
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Photophosphorylation
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Photolysis: uses light energy to split water; oxygen evolving complex of PSII; oxygen and protons are released, oxygen is diffused out of stomata while protons are left behind