Changes in Ecosystems

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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 environment (air, water, and soil).

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What are natural causes of ecosystem change?

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Natural causes include events like hurricanes, floods, droughts, and wildfires.

Front

How does a hurricane affect an ecosystem?

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A hurricane can cause destruction to habitats, uproot trees, and displace animals.

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What happens to animals during a forest fire?

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Animals may be forced to migrate to find new habitats due to loss of food and shelter.

Front

What is the effect of flooding on animal populations?

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Flooding can destroy habitats, forcing animals to move to find food and shelter.

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What is drought?

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Drought is a prolonged period of abnormally low rainfall, leading to water shortages.

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How do some plants survive drought?

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Some plants, like buffalo grass, have deep roots and can store water, allowing them to survive.

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What is the role of herbivores in an ecosystem?

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Herbivores are animals that eat plants and help control plant populations.

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What is the impact of pollution on ecosystems?

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Pollution can harm plants and animals, disrupt food chains, and degrade habitats.

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How do floods create new habitats for some species?

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Floods can create ponds and wetlands, providing new habitats for fish and other aquatic life.