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Do Now: Write your answer…. Would the Calvin Cycle be able to exist without light? Explain. **Take out your homework**

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Presentation on theme: "Do Now: Write your answer…. Would the Calvin Cycle be able to exist without light? Explain. **Take out your homework**"— Presentation transcript:

1 Do Now: Write your answer…. Would the Calvin Cycle be able to exist without light? Explain. **Take out your homework**

2 The Carbon Cycle Process by which Carbon moves from inorganic to organic compounds and back.

3 Carbon sinks – places where carbon can be stored for extended periods (ie- long-lived trees)

4 The Carbon Cycle Carbon sources- places where carbon is likely to be released into the atmosphere (ie- respiration).

5 CO 2 in the atmosphere C0 2 is necessary for photosynthesis

6 CO 2 in the atmosphere Traps heat from the sun – the greenhouse effect – to keep the temperature on earth warm enough for living things.

7 CO 2 in the atmosphere CO 2 levels in the past century have been rising. –Went from 300 parts per million to 360 parts per million.

8 DIRECTIONS: Read the information and answer the questions. “Effects of Increasing Carbon Dioxide Levels” What is the effect of increased CO 2 levels on plant growth rates? What do caterpillars need to consume for growth? How do increased CO 2 levels affect the plant’s composition of carbohydrates and proteins? What potential problems could this cause for consumers? How does consuming plants growing in increased CO 2 levels affect a caterpiller’s susceptibility to prey? What is a problem bean farmers are encountering that stems from increases CO 2 levels?

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