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19 Cards in this Set
- Front
- Back
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tissue
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group of similar cells that perform a specific function
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organ
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group of tissues that work together to perfrom a specific function
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tuber
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enlarged underground stem that stores food
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shoot system
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everything that is above ground, includes the stem, leaves, buds, flowers and fruits
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root system
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everything that is underground, includes aerial roots even though they are above ground
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meristem
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growth region of the plant with tissue in which cells divide by mitosis
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dermal tissue/epidermis
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the outermost cell layer of plants that covers all herbaceous plants; responsible for exchange of matter and gases into and out of the plant; also protects the plant from disease
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herbaceous
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non-woody plants
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cuticle
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waxy, non-cellular, waterproof, coating that covers a plant's leaves and stems
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ground tissue
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parts of the plant body not included in the dermal or vascular tissue systems; function in storage, photosynthesis, and support
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vascular tissue
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transport tissue formed of cells joined into tubes that carry water and nutrients through the body of the plant
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xylem tissue
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vascular tissue that conducts water and minerals from the roots to the leaves in plants
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phloem tissue
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vascular tissue that transports carbohydrates and water from the leaves to other parts of the plant
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sieve tube cells
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cylindrical cells lacking nuclei and with perforated sides and end wall that allow movement of phloem sap between cells
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companion cells
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type of small phloem cells adjacent to sieve tube cells that appear to control sugar transport in the phloem
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root hair
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extension of a specialized dermal cell on a plant root, which absorbs water and minerals
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stomata
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pores that allow gases to pass through the epidermis of a leaf
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guard cell
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specialized epidermal cell that swells and contracts to control gas exchange through a stoma and a leaf
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mitosis
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the process of cell division that allows growth and repair
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