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During the process of evolution, the survival of plant and animal species depends upon their ability to successfully adapt to different challenges in life ...

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© 2006, © 2002 WGBH Educational Foundation. All Rights Reserved.

Benchmarks for Science Literacy
NSTA National Science Education Standards


NOVA: "Spies That Fly"

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Adapted from NOVA: "Spies That Fly." A NOVA Production by Green Umbrella, LLC for WGBH/Boston in association with Production Group, Inc. Stock footage courtesy of Department of Defense, General Atomics Aeronautical Systems, U.S. Navy Blue Angels, and NASA.

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