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Name: Mostafa
Status: student
Age: 19
Location: N/A
Country: N/A
Date: 1/13/2003
Question:
Why do birds have different shape of eggs?

Replies:
One factor is the anatomy of the oviduct of different species. The egg is shaped as it passes through the oviduct. In some cases the shape is an adaptation for the type of nest, to keep them from rolling or to enhance efficiency of incubation.

J. Elliott

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