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10 Cards in this Set
- Front
- Back
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palisade mesophyll
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layer of tall mesophyll cells under the upper epidermis of the leaf |
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spongy mesophyll
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loose tissue beneath the palisade layer of the leaf, has many air spaces between cells |
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stoma
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opening in the underside of a leaf that allows CO2 and O2 to diffuse in and out of leaf |
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guard cells
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specialized cells that control the opening and closing of the stomata responding to changes in water pressure |
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transpiration |
loss of water from a plant through its leaf |
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photosynthesis |
process by which plants use light energy to power chemical reactions that can convert CO2 and H2O into O2 and C6H12O6 |
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pigment |
light absorbing colored molecule |
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chlorophyll |
principle pigment in plants that captures light energy |
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cuticle
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thick waxy layer on surface of leaf that protects from water loss and injury |
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xylem |
vascular tissue that carries tissue up from the roots to every part of a plant |
