Levels of Ecological Organization

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What is the definition of an ecosystem?

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An ecosystem is a community of living organisms (biotic factors) interacting with their physical environment (abiotic factors) in a specific area.

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NGSS.MS-LS2-3

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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, fungi, and microorganisms.

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NGSS.MS-LS2-4

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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, temperature, water, and soil.

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NGSS.MS-LS2-3

NGSS.MS-LS2-4

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What is ecology?

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Ecology is the branch of biology that studies the interactions between organisms and their environment.

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What is the biosphere?

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The biosphere is the thin layer of Earth that supports life, encompassing all ecosystems and living organisms.

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What is a biome?

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A biome is a large geographical area characterized by specific climate conditions and ecosystems, such as deserts, forests, and grasslands.

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What is the difference between a population and a community?

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A population is a group of individuals of the same species living in a specific area, while a community is made up of different populations of various species interacting in a particular environment.

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What is a habitat?

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A habitat is the natural environment in which an organism lives, providing the necessary resources for survival.

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NGSS.MS-LS1-5

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What is the role of producers in an ecosystem?

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Producers, such as plants and algae, convert sunlight into energy through photosynthesis, forming the base of the food chain.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

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What are consumers in an ecosystem?

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Consumers are organisms that obtain energy by feeding on other organisms, including herbivores, carnivores, and omnivores.