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Definition
| Is a detectable change in the internal or external environment that produces a response. |
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| Cells or organs that detect stimuli. |
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Definition
| A response made by one or more of a range of cells, tissues, organs and systems. |
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Definition
| The link between receptors and effectors. |
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Definition
| A simple response whose direction is determined by the direction of the stimulus. |
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Definition
| An organism will move towards light. E.g. Single-celled Algae |
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Definition
| Organisms moving away from light. E.g. Earthworms |
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Definition
| A response in which the organism does not move towards or away from a stimulus but moves in random ways. |
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Definition
| A growth movement in a part of a plant in response to a directional stimulus. |
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Definition
| Plant shoots that grow towards light. |
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Definition
| Plant roots that grow towards gravity. |
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Definition
| Plant roots that grow towards water. |
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Definition
| A growth response of a plant to a particular chemical |
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Definition
| A growth response of a plant due to physical contact. |
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Definition
| A plant hormone that affects plant growth |
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Term
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Definition
| The main Auxin that controls plant growth |
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