| 09, domestic biomedical breakthrough year. Not only | | | | reaction of natural Qunti Yiwei Zhao Bian Hua Neng |
| new breakthroughs in stem cell found, there are new | | | | Shi Ying without the change of climate. 3 Nian in this |
| GM crops policy initiatives. | | | | study, 约 95% of Yu Le died, only 5% in the |
| According to the Australian Broadcasting Corporation | | | | evolution of fish to adapt to the cold. lost about 95% of |
| (ABC) website, scientists have discovered a fish, after | | | | group results could be disastrous, because the |
| three generations of evolution can adapt to rapid | | | | remaining 5% may not be able to maintain the natural |
| changes in temperature. | | | | populations. we are not yet clear that the genetic basis |
| This is already the fastest recorded speed of evolution | | | | of genetic characteristics. " |
| of wild animals. Study will be published in "Journal of the | | | | Barrett Ph.D. University of British Columbia into Harvard, |
| Royal Society B" magazine. The study was the first | | | | he said, but also Xu Yao Jinhangshenru study to be |
| researcher Los Van Barrett, said: "This is the first | | | | sure that such rapidly evolving Shipi may occur in other |
| experiments show that some wild animals can quickly | | | | species who, Youqi yes in the cold climate warming |
| adapt to climate change research." However, | | | | and Bu Shi Zhi Hou. He pointed out that such studies |
| evolutionary geneticist at the University of British | | | | may also be human means to address climate change |
| Columbia warned that this Evolution of the Great Leap | | | | clues. In the study, this fish also reflects the rapid |
| Forward will pay a high price: a higher mortality rate. | | | | evolution of British Columbia freshwater stickleback |
| In their study, scientists from Canada and Europe to | | | | long years of evolution, in the late ice age, the offspring |
| fish from the sea until golden spike, and then put them | | | | of such fish caught in inland and gradually learned to |
| in the pool, the temperature gradually decreased, and | | | | extreme cold environment to survive. |
| these fish were 3-year study. They found that after | | | | Barrett pointed out that since after the first out of |
| three generations of evolution (each generation), spines | | | | Africa, humans have evolved about 10 000 |
| of fish can survive in water of 2.5 degrees Celsius, the | | | | generations, it can not help but lead to a problem that |
| temperature is lower than the survival of their | | | | northerners need to be evolved through many |
| ancestors limit. | | | | generations to adapt to the African ancestors who |
| Studies have shown that at least some animals may | | | | have experienced the warm climate of genes? Barrett |
| be possible through the rapidly changing survive climate | | | | said: "You may be started to compare rates of |
| change. Most previous climate studies predict that the | | | | evolution." But he warned that Anzhao experiment |
| coming decades global temperatures will gradually | | | | 95% of the mortality of fish spines convenient, these |
| increase the number of degrees, with the emergence | | | | evolutionary "may Shide extremely fragile natural Qunti |
| of the extreme cold and extreme hot weather. Barrett | | | | ......, rapid evolution influential Association . |
| said: "But also we see a lot of evolution can not the | | | | |