Ecology Review

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What is Ecology?

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Ecology is the branch of biology that deals with the interactions among organisms and between organisms and their environment.

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What is the ultimate source of energy for almost every organism in every ecosystem?

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Sunlight is the ultimate source of energy for almost every organism in every ecosystem.

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What is the biosphere?

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The biosphere is the portion of Earth that supports life.

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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, and microorganisms.

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What are abiotic factors?

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Abiotic factors are the non-living physical and chemical components of an ecosystem, such as sunlight, 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.

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What are trophic levels?

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Trophic levels are the different levels in a food chain or food web, representing the flow of energy from producers to consumers.

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What is a producer?

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Producers are organisms that can make their own food through photosynthesis or chemosynthesis, such as plants and algae.

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What is a consumer?

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Consumers are organisms that cannot produce their own food and must eat other organisms for energy.