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Description
Flashcards by francesca graham, updated more than 1 year ago
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Created by francesca graham
almost 9 years ago
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| Question | Answer |
| What is a limiting factor? | Something that stops photosynthesis from happening any faster. |
| Name 3 limiting factors. | Light Temperature CO2 |
| What is the liming factor at night? | Light. |
| What is the limiting factor in winter? | Temperature. |
| If it is warm enough and bright enough, what is the limiting factor? | Carbon Dioxide. |
| Explain an experiment that helps you to workout the ideal conditions for photosynthesis. | |
| Describe a graph that shows that not enough light slows down the rate of photosynthesis. | As the amount of light increases, the rate of photosynthesis increases up to a certain point. After that point the rate of photosynthesis doesn't change. |
| Describe a graph that shows that carbon dioxide affects the rate of photosynthesis. | The amount of CO2 will only increase the rate of photosynthesis up to a point. After that point the graph flattens. |
| Describe a graph that shows that Temperature affects the rate of photosynthesis. | The rate of photosynthesis increases until about 45 decrease c where the enzymes start to become denatured. |
| What is the most common way of artificially crating the ideal environment for plants to grow? | Green houses. |
| How does a green house stop temperature from being the limiting factor? | It traps the sun's heat. |
| How do farmers prevent light from being the limiting factor? | They provide artificial light. |
| How do farmers and gardeners increase the level of CO2 in a green house? | By using a paraffin heater that provides heat and produced CO2 as a by-product. |
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