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This program analyzes how flight evolved not once but four times, in very different ways. Presenting a number of theories, the program examines how insects, pterosaurs, birds, and bats each took to the sky. Bug wings that may have evolved from lar...
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Contents
Advantages of Flight (2:28) -- Evolution of Winged Insects (5:16) -- Flies and Dragonflies (4:22) -- From Caterpillars to Butterflies (3:33) -- Evolution of Pterosaurs (4:03) -- Structure of Pterosaurs (2:44) -- Evolution of Birds (5:42) -- Birds ...
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