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03-20-2008, 02:39 PM
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| I need help on my Biology Worksheet!!!? Ok I have a biology worksheet. It is about the evolution of chickens. The question is- "If a chicken wing is a vestigal (not useful anymore) structure, when was it functional? Describe the chicken that used it" Obviously, it was useful in the past, but do you know any kind of chicken that uses (or used) its wings? Please help!! thanks =)      |
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