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| a change in the environment that causes a response |
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| reaction of organism to a change in the environment |
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| growing toward a stimulus |
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| growing away from a stimulus |
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| plants growth response toward or away from a stimulus |
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| plant coiling around an object like a pole |
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| a plant response to light |
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Definition
| leaves and stems growing toward light |
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| also called gravitropism. plant response to gravity |
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| roots growing toward the center of gravity |
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| a force that cytoplasm exerts against the cell wall in plant cells. |
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| the part of the embryo that becomes the root |
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| the outer layer of the seed |
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| the period of time from when the seed was produced by the mother plant until it germinates |
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| the first leaves "seed leaves" where food is stored |
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| when the seed breaks dormancy |
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| seed coat, cotyledon, and embryonic root, stem, and leaves |
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| embryonic stem. it pushes the cotyledons until they can collect light |
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