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Why are bird bone hollow and pneumatic

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Reference no: EM132417902

Dinosaurs laboratory

Problem 1: What characteristics of modern birds might be preserved in the fossil record?

Problem 2: Why do we no longer think that feathers evolved primarily for flight? And do these reasons mean feathers are unrelated to flight?

Problem 3: How did bird wings evolve? Was a whole new wing structure required or were all of the "pieces" already there?

Problem 4: Why are bird bone hollow and pneumatic?

Problem 5: Why is the question "What is a bird?" a difficult one to answer? What kinds of data would go into answering this question?

Reference no: EM132417902

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