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What is a food chain?
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A food chain describes the linear sequence of organisms where each is eaten by the next member in the chain.
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What is a food web?
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A food web is a complex network of interconnected food chains and feeding relationships in an ecosystem.
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Define trophic level.
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A trophic level is a step in a food chain of an ecosystem, representing a feeding relationship.
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What is the 10% rule in energy transfer?
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The 10% rule states that only about 10% of the energy from one trophic level is passed on to the next level.
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How do the laws of thermodynamics apply to energy transfer in ecosystems?
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The first law of thermodynamics (energy conservation) indicates that energy can be transformed, but not created or destroyed; the second law (entropy) suggests that energy transformations are inefficient, leading to energy loss as heat.
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