This video segment from Evolution: "Extinction!" shows how biological control is successfully combating North Dakota's infestation of leafy spurge, a non-native plant. [4:43]

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Concepts

extinction, invasive species

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Additional Tags

ecosystem stability, interrelationship, leafy spurge, terrestrial ecology, the interdependence of organisms, pbs learningmedia: leafy spurge, teachers' domain, wgbh

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Classroom Considerations

Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)

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