| 1. | Are humans causing the next mass extinction
下一次生态灭亡将会是什麽时候？ |
| 2. | Among the possible causes of these mass extinctions are volcanic eruptions , meteorites colliding with the earth , and a changing climate
物种大规模灭绝的原因可能是火山爆发、陨石撞击地球、气候变化。 |
| 3. | The consensus among biologists is that we now are moving toward another mass extinction that could rival the past big five
大多数生物学家相信，我们正在走向又一次的物种灭绝，其规模可能与前面五次不相上下。 |
| 4. | The study of the ecosystems in the survival and recovery time in the early triassic following the end - permian mass extinction becomes a hotspot
摘要二叠纪末大灭绝之后，三叠纪初残存期和复苏期生态系研究成为当今热点。 |
| 5. | Some 208 million years ago , another mass extinction took a toll primarily on sea creatures , but also some land animals
两亿零八百万年以前，又一次大规模物种灭绝灾难发生了，首当其冲受害的是海洋生物，某些陆生动物也未能幸免。 |
| 6. | With the discovery of the giant fullerenes in meteorites , poreda and i decided to test our new method on sediments associated with mass extinctions
在陨石中发现大型富勒烯之后，波里达与我决定到与生物大灭绝有关的沉积层中，测试我们的新方法。 |
| 7. | This abundant foraminiferal fauna provides new data for a better understanding on the mass extinction pattern at the end of the permian
这一丰富的有孔虫动物群，不仅进一步完善了长兴阶标准剖面的化石资料，而且也为研究二叠纪末的生物灭绝形式提供了新的依据。 |
| 8. | The cretaceous period ended about 65 million years ago , a mass extinction due to impact of an asteroid at chicxulub in mexico wiped out the dinosaurs , except for the birds
白垩纪期间结束了大约65百万年前,许多绝种由于小行星的冲击在chicxulub在墨西哥消除了恐,除了鸟。 |
| 9. | While this may be the first time in history that a single species can precipitate a mass extinction event , it is also the first time in history that a single species can act to prevent it
一个单一物种能够导致大规模的物种灭绝，这可能是历史上的第一次；同时，一个单一物种能够采取行动来阻止这种变故的发生，同样也是历史上的第一次。 |
| 10. | Other scientists have already noted that mass extinctions of life on earth seem to occur in a pattern with gaps equivalent to multiples of 26m , suggesting some regular event is causing the comets to come earth ' s way
另一些科学家已经注意到，地球生物的物种灭绝现象出现的间隔是2600万的倍数，这说明了某个规律性事件造成彗星降临在地球上。 |
