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Life Sci-Chap 12
vocabulary words
| Question | Answer |
|---|---|
| nonvascular plant | 3 groups of plants (liverworts, hornworts, and mosses) that lack specialized conducting tissues and true roots, stems and leaves |
| vascular plant | plant that has specialized tissues that conduct materials from one part of the plant to another |
| gymnosperm | a woody, vascular seed plant whose seeds are not enclosed by an ovary or fruit |
| angiosperm | a flowering plant that produces seeds within a fruit |
| rhizoid | rootlike structure in non vascular plants that holds the plants in place and helps plants get water and nutrients |
| rhizome | horizontal, underground stem that produces new leaves, shoots, and roots |
| pollen | tiny granules that contain the male gametophyte of seed plants |
| pollination | transfer of pollen from the male reproductive structures to the female structures of seed plants |
| xylem | type of tissue in vascular plants that provides support and conducts water and nutrients from the roots |
| phloem | tissue that conducts food into vascular plants |
| sepal | in a flower, one of the outermost rings of modified leaves that protect the flower bud |
| petal | one of the usually brightly colored, leaf-shaped parts that make up one of the rings of a flower |
| stamen | male reproductive structure of a flower that produces pollen and consists of an anther at the tip of a filament |
| pistil | female reproductive part of a flower that produces seeds and consists of an ovary, style and stigma |
| ovary | in flowering plants, the lower part of a pistil that produces eggs in ovules |