<!-- Origin Article URL: http://www.wretch.cc/blog/melances/23656343 --> <font size="4">提到化石可提供的證據,<br/> 地層的相對順序, <br/> 也就是我們在教化石時強調給學生的觀念。<br/> <br/> <br/> <br/> <br/> <embed allowscriptaccess="never" src="http://www.youtube.com/v/BhFBuaU-W4c?version=3&hl=zh_TW" type="application/x-shockwave-flash" width="420" height="315" allowfullscreen="true"></embed> </font>