Plants
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| Alteration of generations (608, 637) | life cycle that has two alternating phases 1. a haploid (N) phase 2. a diploid (2N) phase.
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| sporophyte (637) | spore-producing plant; the multicellular diploid phase of a plant life cycle.
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| Gametophyte (637) | gamete-producing plant; multicellular haploid phase of a plant life cycle.
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| bryophyte (641) | group of plants that have specialized reproductive organs but lack vascular tissue: includes mosses and their relatives.
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| vascular tissue (641) | specialized tissue in plants that carries water and nutrients.
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| archegonium (642) | structure in plants that produces egg cells.
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| antheridium (642) | male reproductive structure in some plants that produces sperm.
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| sporangium (609)(642) | spore capsule in which haploid spores are produced by meiosis.
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| tracheophyte (643) | vascular plant.
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| tracheid (643) | hollow plant cell in xylem with thick cell walls strengthened by lignin.
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| xylem (643) | vascular tissue that carries water upward from the roots to every part of the plant.
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| phloem (643) | vascular tissue that transports solutions of nutrients and carbohydrates produced by photosynthesis through the plant.
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| seed (646) | plant embryo and a food supply encased in a protective covering.
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| gymnosperm (646) | group of seed plants that bear their seeds directly on the scales of cones.
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| angiosperm (646) | group of seed plants that bear their seeds within a layer of tissue that protects the seed: also called flowering plant.
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| pollen grain (647) | structure that contains the entire male gametophyte in seed plants.
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| seed coat (647) | tough covering that surrounds a protects the plant embryo and keeps the contents of the seed from drying out.
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| ovule (648) | structure in seed cones in which the female gametophytes develop.
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| pollen tube (648) | structure in a plant that contains two haploid sperm nuclei.
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| ovary (650) | in plants, the structure that surrounds and protects seeds. In animals, the primary female reproductive organ; produces eggs.
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| fruit (651) | structure in angiosperms that contains one or more matured ovaries.
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| cotyledon (652) | first leaf or first pair of leaves produced by the embryo of a seed plant.
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| monocot (652) | angiosperm with one seed leaf in its ovary.
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| dicot (652) | angiosperm with two seed leaves in its ovary.
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| woody plant (653) | type of plant made primarily of cells with thick cell walls that support the plant body: includes trees, shrubs and vines.
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| herbaceous plant (653) | type of plant that has smooth and non-woody stems: includes dandelions, zinnias, petunias and sunflowers.
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Created by:
Emilee Kincaid
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