Daniel's flas hcrads
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Created by:
lvascience on November 23, 2010
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Description:
Science vocab
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26 terms
Terms | Definitions |
|---|---|
 phloem | The vascular tissue through which food moves in some plants. |
| xylem | The vascular tissue through which water and nutrients move in some plants. |
| pollen | tiny particles produced by seed plants that contain the cells that later become sperm cells. |
| seed | The plant structure that contains a young plant inside a protective covering. |
| embryo | The young organism that develops from a zygote. |
| cotyledon | A seed leaf that sometimes stores food |
| germination | The sprouting of the embryo out of a seed; occurs when the embryo resumes its growth |
| root cap | A structure that covers the tip of a root, protecting the root from injury |
| cambium | A layer of cells in a plant that produces new phloem and xylem cells |
| stomata | the small openings on the surfaces of most leaves through which gases can move |
| transpiration | the process by which water is lost through a plant's leaves |
| angiosperm | a flowering plant that produces seeds enclosed in a protective structure |
| flower | the reproductive structure of an angiosperm |
| sepal | a leaf like structure that encloses the bud of a flower |
| petal | a colorful, leaf like structure of some flowers |
| stamen | The male reproductive part of a flower |
| pistil | The female reproductive part of a flower |
| ovary | a flower structure that encloses and protects ovules and seeds as they develop |
| fruit | the ripened ovary and other structures of an angiosperm that enclose one or more seeds |
| monocot | an angiosperm that has only one seed leaf |
| dicot | an angiosperm that has two seed leaves |
| tropism | A growth response of a plant toward or away from a stimulus |
| hormone | A chemical that affects growth and development |
| auxin | the plant hormone that speeds up the rate of growth of plant cells |
| photoperiodism | a plant's response to seasonal changes in length of night and day |
| short day plant | A plant that flowers when the nights are longer than the plant's critical night length |
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