| 1. | Some sea animals accumulate elements like vanadium and iodine within their cells .
某些海洋动物在其细胞内积累象钒和碘一类元素。 |
| 2. | The little marine animal neopilina, which was dredged up from the bottom of the pacific in 1952, looks practically identical to its ancestors presented as fossils over 50 million years ago .
1952年在太平洋底挖出来的小形海洋动物，新帽贝，看上去简直同保存了五亿多年的化石祖先一样。 |
| 3. | Many sharks feed on fish and other sea animals
很多鲨鱼以鱼和其他海洋动物为食。 |
| 4. | Land animals are believed to have developed from sea animals
陆地动物被认为是由海洋动物进化而来的 |
| 5. | Land animals are thought to have developed from sea animals
陆地动物被认为是由海洋动物进化而来的。 |
| 6. | Important marine animal cell culture
重要海洋动物细胞培养 |
| 7. | Seals and whales are marine animals
海豹和鲸鱼是海洋动物。 |
| 8. | Land animals are believed to have developed from sea animals
陆地动物被认为是由海洋动物进化而来的。 |
| 9. | Marine animals and plants take advantage of the density of water
海洋动物和植物利用了水的密度的特性。 |
| 10. | Nautilus is a small sea animal
鹦鹉螺是种小型海洋动物。 |
