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        K-6

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        Amphibians | Science Trek

        This video segment from IdahoPTV's Science Trek explores the life and anatomy of a frog, an amphibian. It explains what it means to be cold-blooded, why frogs hibernate, and why they croak. You can follow their life cycle and see some amazing videos of frogs eating with their specially adapted tongue.  Learn how biologists use frogs to study problems in the environment.

        Visit the Science Trek companion Web site to learn more about Amphibians.

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