History of Life - The Story of the Feather
Product Number: SB51700
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This item has been discontinued
Sorry, this product is no longer available. Grades 6-12.
Feathers play an important role in evolution: originally used for insulation, they eventually led to flight. See how the fossil discovery of a four-legged dinosaur with primitive wings provides evidence that dinosaurs gradually evolved winged feathers and became the birds we know today. Approximately 50 minutes. Close captioned.