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| plant tissue found only in the tips of shoots and roots; responsible for plant growth |
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| group of undifferentiated cells that divide to produce increased length of stems and roots |
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| cell that makes up the dermal tissue, which is the outer covering of a plant |
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| a think, waxy layer on exposed outer surfaces of cells that protects them against water loss and injury |
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| tiny cellular projection on the surfaces of some leaves the helps protect the leaf and also gives it a fuzzy appearance |
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| xylem cells that forms part of a continuous tube through which water can move |
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| phloem cell that is joined end-to-end to similar cells to form a continuous sieve tube |
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| phloem cell that surrounds sieve tube elements |
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| type of ground tissue cell with a thin cell wall and large central vacuole |
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| type of ground tissue cell with a strong, flexible cell wall; helps support larger plants |
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| type of ground tissue cell with an extremely think rigid cell wall that makes ground tissue tough and strong |
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| primary root found in some plants that grows longer and thicker than other roots |
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| part of a root system in which roots branch to such an extent that no single root grows larger than the rest |
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| tiny projection from the outer surface, or epidermis, of a root |
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| tough structure that protects a root as it forces its way through the soil |
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| attraction between molecules of different substances |
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| loss of water of a plant through its leaves |
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| cell in the epidermis of plants that controls the opening and closing of stomata by responding to changes in water pressure |
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| opening in the underside of a leaf that allows carbon dioxide and oxygen to diffuse into and out of the leaf |
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| loose tissue beneath the palisade layer of a leaf; has many air spaces between its cells |
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| area in plants that surrounds heartwood and is active in fluid transport |
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| pattern of plant growth in which stems increase in width |
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| plant structure containing undeveloped tissue that can produce new stems and leaves |
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| tendency of water to rise in a thin tube |
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| spongy layer of ground tissue just inside the epidermis of a root |
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| waterproof strip that surrounds plant endodermis cells |
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| thin, flattened section of a plant leaf that collects sunlight |
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| layer of cells that completely encloses vascular tissue |
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| region between nodes on plant stems |
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| point on a stem where a leaf is attached |
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| plant stem structure that contains xylem and phloem tissue |
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| lateral meristematic tissue that produces vascular tissues and increases the thickness of the stem over time |
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| central regiom of a root that includes the vascular tissue- xylem and phloem |
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| parenchyma cells inside the ring of vascular tissue in dicot stems |
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| type of plant growth that occurs at the tips of roots and shoots |
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| layer of tall, column-shaped mesophyll cells just under the upper epidermis of a leaf |
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| thin stalk by which a leaf blade is attached to a stem |
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| hypothesis that considers plants in terms of where they produce and use materials from photosynthesis |
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| tree structure that includes all tissues outside the vascular cambrium, including phloem, the cork cambrium, and cork |
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Definition
| older xylem near the center of a woody stem that no longer conducts water |
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Definition
| lateral meristematic tissue that produces the outer covering of stems |
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| specialized ground tissue that makes up the bulk of most leaves; performs most of a plants photosynthesis |
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