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16 Cards in this Set
- Front
- Back
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Angiosperm
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A plant having its seeds in an ovary; a flowering plant
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Monocot
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an angiospermous plant of the class Monocotyledones, characterized by producing seeds with one cotyledon and an endogenous manner of growth.
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Dicot
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any angiospermous plant of the class (or subclass) Dicotyledoneae, producing seeds with two cotyledons and having an exogenous manner of growth.
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Xylem
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a compound tissue in vascular plants that helps provide support and that conducts water and nutrients upward from the roots, consisting of tracheids, vessels, parenchyma cells, and woody fibers
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Phloem
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the part of a vascular bundle consisting of sieve tubes, companion cells, parenchyma, and fibers and forming the food-conducting tissue of a plant.
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Taproot
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a main root descending downward from the radicle and giving off small lateral roots
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Fibrous root
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a root, as in most grasses, having numerous, very fine branches of approximately the same length
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Apical Dominance
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suppression of the development of lateral buds in a growing plant shoot, caused by hormones produced in the tip of the shoot
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Petiole
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the slender stalk by which a leaf is attached to the stem; leafstalk
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Blade
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the broad part of a leaf, as distinguished from the stalk or petiole
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Parenchyma
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the fundamental tissue of plants, composed of thin-walled cells able to divide
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Collenchyma
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a layer of modified tissue consisting of cells that are thickened at the angles and usually elongated
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Meristem
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embryonic tissue in plants; undifferentiated, growing, actively dividing cells
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Root Cap
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A thimble-shaped mass of cells that covers and protects the root tip
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Stele
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the central cylinder or cylinders of vascular and related tissue in the stem, root, petiole, leaf, etc., of the higher plants
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Cortex
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the portion of a stem between the epidermis and the vascular tissue; bark
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