- 最後登錄
- 2021-12-12
- 在線時間
- 0 小時
- 註冊時間
- 2007-4-13
- 閱讀權限
- 30
- 精華
- 0
- UID
- 1076729
- 帖子
- 1604
- 積分
- 1039 點
- 潛水值
- 27815 米
| 若新密碼無法使用,可能是數據未更新。請使用舊密碼看看。 本帖最後由 wiusog2007 於 2012-8-14 01:40 PM 編輯
齊塔人之聲 2012年 8月11日聊天問答
The evolution of life on Earth, as on other life bearing planets, followed a path that looks like a tree, species branching off from a common genetic background. Both fish and humans have legs and arms, though on fish these are called fins. In seals, flippers. And in snakes and eels these genes do not express at all. The human infant goes through stages in which it has gills for breathing, and a long tail. As can be seen in the skeletons of sea cows, the flippers not only look like arms, the hands even have fingers. The Ningen is merely a rare whale where the flippers or fins remained or became distended for agility on the ice. Whales are land creatures that returned to the water, and thus originally had agility on the land.... |
附件: 你需要登錄才可以下載或查看附件。沒有帳號?註冊 |