Ecology -Human Activity & Food Chains

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What is a producer?

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An organism that uses sunlight to make its own food.

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What is overfishing?

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Taking more fish out of an ecosystem than can be replaced by natural processes.

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What is the primary source of energy in a food chain?

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The Sun.

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What is the role of nitrogen in ecosystems?

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Nitrogen is a key nutrient that supports plant growth and is essential for the food chain.

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What is aquaculture?

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The farming of aquatic organisms, such as fish, crustaceans, and plants.

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What is the impact of human activity on food chains?

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Human activities can disrupt food chains through overfishing, pollution, and habitat destruction.

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What is a food chain?

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A sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

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What are decomposers?

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Organisms that break down dead material and waste, returning nutrients to the soil.

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What is the significance of biodiversity in ecosystems?

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Biodiversity helps maintain ecosystem stability and resilience.

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What is the difference between a food chain and a food web?

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A food chain is a linear sequence of organisms, while a food web is a complex network of interconnected food chains.