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ribs in the mouse and the chicken, and inside the ribs in turtle. Image: Shigeru Kuratani and Hiroshi Nagashima |
**__Related stories:__***linkurl:Tentacles test tenets of evolution;http://www.the-scientist.com/blog/display/55198/
[18th November 2008]*linkurl:From lizard claw to mammal hair?;http://www.the-scientist.com/blog/display/55181/
[10th November 2008]*linkurl:To Effectively Discuss Evolution, First Define 'Theory';http://www.the-scientist.com/article/display/17546/
[12th May 1997]