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Questions and Answers
What is the main energy source for life on earth?
Which type of organisms perform photosynthesis?
Which type of consumers eat only animals?
What is the term for organisms that rely on other organisms for their energy and food supply?
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What do decomposers do in an ecosystem?
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Which process converts carbon dioxide and water into oxygen and carbohydrates using light energy?
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What is the primary source of energy in an ecosystem?
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In a food chain, what do the arrows represent?
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Which of the following organisms is considered a primary consumer?
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What is the highest trophic level in the given food web?
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What does an energy pyramid represent?
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Which statement about ecological pyramids is true?
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