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Mod 14: Plants
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Term | Definition |
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Botany | The study of plants |
Perennial plants | plants that grow year after year |
Annual plants | plants that live for only one year |
Biennial plants | plants that live for two years |
Vegetive organs | The parts of a plant(such as roots, stems, and leaves) that are not involved in reproduction |
Reproductive plant organs | The parts of a plant(such as flowers, fruits, and seeds) involved in reproduction |
undifferentiated cells | Cells that have not specialized in any particular function |
Xylem | Nonliving vascular tissue that carries water and dissolved minerals from the roots of a plant to its leaves |
Phloem | living vascular tissue that carries sugar and organic substances throughout a plant |
Leaf Mosaic | The arrangement of leaves on the stem of a plant |
Leaf margin | The characteristics of a leaf edge |
Deciduous plant | a plant that loses its leaves for winter |
Girdling | the process of cutting away a ring of inner and outer bark all the way around a tree trunk |
Alternation of Generations | A life cycle in which there is both a multicellular diploid form and a multicellular haploid form |
Dominant generation | In alternation of generations, the generation that occupies the largest portion of the life cycle |
Pollen | A fine dust that contains the sperm of seed-producing plants |
Cotyledon | A "seed leaf" which develops as part of the seed. It provides nutrients to the developing seedling and eventually becomes the first leaf of the plant |