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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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NGSS.MS-LS2-3

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What does 'dynamic nature of ecosystems' mean?

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It refers to the constant changes and interactions within ecosystems due to factors like climate, human activity, and species interactions.

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NGSS.MS-LS2-3

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What is a population in ecological terms?

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A population is a group of individuals of the same species living in a specific area at the same time.

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What is the significance of biodiversity in ecosystems?

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Biodiversity enhances ecosystem productivity, stability, and resilience, allowing ecosystems to adapt to changes.

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NGSS.MS-LS2-5

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What is a food chain?

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A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.

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NGSS.MS-LS2-3

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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 species are related through feeding relationships.

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NGSS.MS-LS2-3

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What is an invasive species?

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An invasive species is a non-native organism that, when introduced to a new environment, can cause harm to the ecosystem, economy, or human health.

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NGSS.MS-LS2-4

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How do environmental changes affect populations?

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Environmental changes can alter habitat conditions, food availability, and competition, leading to population declines or increases.

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NGSS.MS-LS2-1

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What is natural selection?

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Natural selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring.

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NGSS.MS-LS1-4

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What is habitat loss?

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Habitat loss is the destruction or alteration of the natural environment, often due to human activities, leading to a decline in species populations.

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NGSS.MS-LS2-1

NGSS.MS-LS2-4