17749085
Descrição
FlashCards por Sam Gunnell, atualizado more than 1 year ago
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Criado por Sam Gunnell
mais de 5 anos atrás
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| Questão | Responda |
| How does the number of leaves effect the rate of transpiration? | More leaves = more transpiration as more water vapour is being lost at one time due to more leaves |
| How does the number/size of stomata effect the rate of transpiration? | More and bigger stomata increase the rate of transpiration |
| How does the light intensity effect the rate of transpiration? | Increased light intensity results in more open stomata, so more water vapour can diffuse out of the leaf |
| How does temperature effect the rate of transpiration? | Higher temperatures result in increased transpiration as the molecules have more kinetic energy so evaporate from the mesophyll cells more, increasing water potential gradient, making water diffuse out faster |
| What is humidity? | The amount of water vapour in the air compared to the total concentration of water that the air can hold |
| How does humidity effect the rate of transpiration? | Lowered humidity results in faster transpiration as if there is less water vapour in the air, there is a greater water potential gradient between the air and the leaf |
| How does the amount of wind effect the rate of transpiration? | The windier the conditions, the more transpiration as the wind will blow away the water left on the surface of the leaf, increasing the water potential gradient |
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