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| Closely related organisms that share similar characteristics and can reproduce among themselves |
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| Waxy, protective layer that covers the stems, leaves, and flowers of many plants and helps prevent water loss |
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| Chemical compound made out of sugar; forms tangled fibers in the cell walls of many plants and provides structure and support |
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| Plant with tubelike structures that moves minerals, water, and other substances throughout the plant |
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| Plant that absorbs water and other substances directly through its cell walls instead of through tubelike structures |
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| Waterproof reproductive cell |
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| Threadlike structures that anchor nonvascular plants into the ground |
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| First organisms to grow in new or disturbed areas; break down rock and build up decaying plant material so that other plants can grow |
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| Plant embryo and food supply in a protective coating |
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| Tiny openings in a plant's epidermis through which carbon dioxide, water vapor, and oxygen enter and exit |
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| Pairs of cells that surround stomata and control their opening and closing |
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| Vascular tissue that forms hollow vessels that transport substances, other than sugar, throughout a plant |
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| Vascular tissue that forms tubes that transport dissolved sugar throughout a plant |
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| Vascular tissue that produces xylem and phloem cells as a plant grows |
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| Vascular plants that do not flower, generally have needle like scalelike leaves, and produce seeds that are not protected by fruit; conifers, cycads, ginkgoes, and gnetophytes |
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| Flowering vascular plants that produce fruits containing one or more seeds; monocots and dicots |
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| Angiosperm with one cotyledon inside its seed, flower parts in multiples of three, and vascular tissues in bundles scattered throughout the stem |
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| Angiosperm with two cotyledons inside its seed, flower parts in multiples of four or five, and vascular bundles in rings |
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