U2 L7: Biodiversity & Ecosystems

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What is Extinction?

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The permanent loss of a species from the planet.

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What is a Drought?

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A prolonged period of abnormally low rainfall.

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What is Pollution?

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The presence of harmful substances in the environment.

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What is Habitat Destruction?

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The process of damaging or destroying natural environments, leading to loss of biodiversity.

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What is Habitat Fragmentation?

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The process of breaking up large habitats into smaller, isolated patches.

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What is Biodiversity?

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The variety of life in the world or in a particular habitat or ecosystem.

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What is an Ecosystem?

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A community of living organisms and their physical environment interacting as a system.

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What is a Food Chain?

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

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What is a Food Web?

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A complex network of feeding relationships among various organisms in an ecosystem.

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What is an Invasive Species?

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A non-native species that spreads widely in a new habitat and causes harm to the environment.