Why does a chicken lay an egg?

eggs - chicken egg
@aslygirl (531)
March 7, 2007 4:10am CST
hmmm I wonder why?
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1 response
@g_aileen09 (1354)
• Philippines
7 Mar 07
Reptiles lay eggs, and birds, chickens included, are believed to be descendants of reptiles a form of winged dinosaurs that have mutated over the centuries.
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