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24 Cards in this Set
- Front
- Back
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In this type of climate Leaf is warmer than air
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microclimate
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in this type of climate convection currents rising from leaf surface sweep away water molecules
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microclimates
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In this type of climate underside of leaf is cooler
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microclimate
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When fungal spores land on leaf surface this thing reduces access to leaf interior
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Stomata placement
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The uppermost mesophyll consists of compactly stacked, barrel-shaped , or post shaped _______ cells
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parenchyma
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this region is in the upper most mesophyll that are commonly in two rows
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Palisade mesophyll
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Palisade mesophyll may contain more 80% of the leaf's ______
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chloroplasts
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this is the lower region of the leaf consisting of loosely arranged parenchyma cells with abundant air spaces between them.
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spongy mesophyll
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Name the structures of a horizontal leaf from upper most region to lower most region
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epidermis
palisade spongy epidermis |
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Name the structures of a Vertical leaf
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epidermis
palisade spongy palisade epidermis |
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What kind of structures are within the monocots?
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Only spongy parenchyma
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What veins are within the vascular tissues of a leaf
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Xylem (top) and phloem (bottom)
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The veins (xylem and phloem) are surrounded by this structure
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bundle sheath
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What is the bundle sheath composed of?
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Parenchyma or sclarenchyma
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The stomata is open during the?
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Day
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The stomata is closed during ?
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night
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What does diurnal mean?
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Active during day, inactive at night
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What is the exception to Diurnal plants
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Desert plants undergo CAM photosynthesis- crassulacean acid metabolism
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What mechanism governs the opening and closing of stomata
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K+ mechanism
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Potassium ions travel from this structure to this structure (2 answers)
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Epidermal cells to guard cells
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Where does the stomata get the energy to open and close
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ATP
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Where are the potassium ions located?
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In vacuole
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H20 travels through cells by this mechanism
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osmosis
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When the guard cells are turgid or full the stomata opens or closes?
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Opens
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