7.5 - 4 Dynamic Nature of Ecosystems

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What is an ecosystem?

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A system comprising all the biotic (living) and abiotic (non-living) factors in an area and all the interactions among them.

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What is a population in ecological terms?

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A group of interacting individuals of the same species located in the same area.

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What are biotic factors?

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Living components of an ecosystem, such as plants, animals, and microorganisms.

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What are abiotic factors?

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Non-living components of an ecosystem, such as water, soil, air, and temperature.

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What is a disturbance in an ecosystem?

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A temporary change in environmental conditions that causes a pronounced change in an ecosystem.

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What are some examples of natural disturbances?

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Floods, hurricanes, fires, landslides, and volcanic eruptions.

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How can human activities disturb ecosystems?

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By building roads, deforestation, pollution, and urban development.

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What is the significance of biodiversity in an ecosystem?

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Biodiversity contributes to ecosystem resilience, stability, and productivity.

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What does it mean for an ecosystem to be dynamic?

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It is characterized by constant change, activity, or progress.

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How do changes in the environment affect populations?

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Changes can lead to shifts in habitat, food availability, and breeding patterns, impacting population sizes.