8th Grade Ecosystems Review

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What is Natural Selection?

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Natural Selection is a process where the environment favors certain traits over others, leading to changes in species over time.

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What is a Niche?

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An organism's niche is the role it plays in an ecosystem, including its habitat, resource use, and interactions with other organisms.

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What are abiotic factors?

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

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What is Carrying Capacity?

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Carrying Capacity is the maximum number of organisms an ecosystem can support without degrading the environment.

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What is Population Density?

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Population Density is the number of individuals of a species per unit area.

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What are Biotic Factors?

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Biotic factors are the living components of an ecosystem, including plants, animals, and microorganisms.

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What is an Ecosystem?

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An ecosystem is a community of living organisms interacting with their physical environment.

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What is an example of a Limiting Factor?

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A Limiting Factor is any resource that restricts the growth of a population, such as food, water, or space.

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What is Adaptation?

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Adaptation is a trait that enhances an organism's ability to survive and reproduce in its environment.

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What is the difference between a Habitat and a Niche?

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A habitat is the physical environment where an organism lives, while a niche is the role and function of that organism within the ecosystem.