Ecology Review

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What is an ecosystem?

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An ecosystem is a community of living organisms (plants, animals, and microorganisms) interacting with their physical environment (air, water, soil) in a specific area.

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What are biotic factors?

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Biotic factors are the living components of an ecosystem, such as plants, animals, bacteria, and fungi.

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What are abiotic factors?

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Abiotic factors are the non-living components of an ecosystem, such as sunlight, temperature, water, and minerals.

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What is a food chain?

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A food chain is a linear sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

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What is a food web?

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A food web is a complex network of interconnected food chains in an ecosystem, showing how different organisms are related through feeding relationships.

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What is a producer in an ecosystem?

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A producer is an organism that creates its own food through photosynthesis or chemosynthesis, such as plants and algae.

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What is a consumer in an ecosystem?

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A consumer is an organism that eats other organisms for survival, including herbivores, carnivores, and omnivores.

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What is a predator?

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A predator is an organism that hunts and eats other organisms (prey) for food.

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What is prey?

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Prey is an organism that is hunted and eaten by a predator.

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What is competition in an ecosystem?

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Competition occurs when two or more organisms vie for the same resources (food, space, light) in an ecosystem.