搜索结果: 1-1 共查到“理学 water to land”相关记录1条 . 查询时间(0.125 秒)
Strolling salamanders provide clues on how animals evolved to move from water to land
Strolling salamanders animals evolved water to land
2015/12/8
Around 390 million years ago, the first vertebrate animals moved from water onto land, necessitating changes in their musculoskeletal systems to permit a terrestrial life. Forelimbs and hind limbs of ...