神秘的蠑螈
所屬欄目：綠色空間
所屬頻道：CCTV-10科教
年份：2010
展開全部
簡介：在地球46年的生命史當中，關於物種的進化還有許多難以解釋的疑團。然而，這種動物卻能夠讓你了解在生命進化的某一個階段曾經出現過的巨變。中國有一種珍惜的水生動物名叫大鯢，俗稱娃娃魚。在動物學中，它被定義為終生有尾的兩棲動物，屬於有尾目。就是這類在水中生活的鯢或者螈有一天爬上了陸地，變成了在陸地上生活的蠑螈。即使今天，科學家們通過試驗還能夠讓一種蠑螈的身體發生奇妙的變化。讓我們一起來看一看這些令我們吃驚的水陸精怪。收起
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