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Plant Responses
| Term | Definition |
|---|---|
| phototropism | a plants response to light |
| hydrotropism | a plants response to water |
| geotropism | a plants response to gravity |
| gravitropism | another name for geotropism |
| thigmotropism | a plants response to touch |
| tropism | the response of a plant |
| stock | the plant that is been grafted |
| scion | the piece of shoot grafted to the plant being grafted |
| hormone | a chemical messenger |
| cytokinins | hormones that affect growth in roots |
| auxins | hormones that affect growth in branches |