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 Photosynthesis and The Carbon Cycle 30 Flashcards |
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What is the primary function of chlorophyll in photosynthesis? |
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To absorb sunlight's energy. |
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Which of the following is a byproduct of photosynthesis? A) Glucose B) Oxygen C) Carbon Dioxide D) Water |
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B) Oxygen |
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Riddle: I'm essential for life, produced by plants, and make up about 20% of the air. What am I? |
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Oxygen |
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True or False: Photosynthesis occurs mainly in the roots of plants. |
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False. Photosynthesis predominantly occurs in the leaves of plants. |
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The word equation for photosynthesis can be summarized as: water + ______ → glucose + oxygen. |
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Carbon dioxide |
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What role do chloroplasts play in photosynthesis? |
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They are the organelles where photosynthesis takes place. |
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Which mineral is crucial for synthesizing chlorophyll in plants? |
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Magnesium |
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Fill-in-the-blanks: The process of converting carbon dioxide and water into glucose in plants is known as ______. |
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Photosynthesis |
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True or False: Fossil fuels are rocks formed from the remains of ancient organisms. |
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False. Fossil fuels are not rocks but are derived from ancient organic matter. |
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What is the significance of the carbon cycle in ecosystems? |
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It describes the movement of carbon through the atmosphere, organisms, and back, maintaining ecological balance. |
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Which gas is primarily responsible for the greenhouse effect on Earth? |
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Carbon dioxide |
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Riddle: I can be solid or liquid, but I'm always a fossil fuel. What am I? |
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Oil |
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Fill-in-the-blanks: Plants release carbon dioxide during ______, contributing to the carbon cycle. |
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Respiration |
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What happens to carbon dioxide levels in the atmosphere as a result of burning fossil fuels? |
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They increase. |
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Which process do decomposers use to return carbon dioxide to the atmosphere? |
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Respiration |
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