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module #14
the vocabulary for module #14
| Question | Answer |
|---|---|
| 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. |
| Vegetative organs. | The parts of a plant(such as stems,roots,and leaves)that are not involved in reproduction. |
| Reoproductive 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 funtion. |
| 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 the 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 of seed-producing plants. |
| Cotyledon. | A "seed leaf" which develops as a first part of the seed-it provides nutrients to the developing seedling and eventually becomes the first leaf of the plant. |