In this video segment from Evolution: "Great Transformations," paleontologist Jenny Clack explains that vertebrates evolved fingers before they invaded land. [3:49]

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Concepts

evolution, adaptations

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Additional Tags

adaptation and acclimation, adaptive features, history of life, tetrapods, acanthostega, hs-ls4-4, ichthyostega, pbs learningmedia: fish with fingers, teachers' domain, wgbh

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Classroom Considerations

Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
The intended use for this resource is Instructional

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