Ecology- B20 1-10 (Scientific Methods - Succession)

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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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NGSS.MS-LS2-2

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What are the ecological layers?

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Ecological layers refer to the different levels of organization in an ecosystem, including individual, population, community, ecosystem, biome, and biosphere.

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What is a limiting factor?

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A limiting factor is a condition that restricts the growth, abundance, or distribution of an organism or a population within an ecosystem.

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NGSS.MS-LS2-1

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What are density independent limiting factors?

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Density independent limiting factors are environmental factors that affect populations regardless of their density, such as natural disasters or human activities.

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What are density dependent limiting factors?

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Density dependent limiting factors are factors that affect population size in relation to the population's density, such as competition, predation, and disease.

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NGSS.MS-LS2-4

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What is energy flow in an ecosystem?

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Energy flow refers to the transfer of energy through a food chain or food web, typically moving from producers to consumers.

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What is the difference between energy flow and nutrient cycling?

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Energy flow is unidirectional and involves the transfer of energy, while nutrient cycling is a circular process where nutrients are reused within the ecosystem.

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NGSS.MS-LS2-3

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What is exponential growth?

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Exponential growth is a pattern of growth where the population size increases rapidly in proportion to the current size, often represented by a J-shaped curve.

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What is logistic growth?

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Logistic growth is a pattern of growth that starts exponentially but slows as the population reaches carrying capacity, represented by an S-shaped curve.

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NGSS.HS-LS2-1

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What is random dispersion?

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Random dispersion is a pattern of spacing where individuals are distributed irregularly and independently of one another.