Given the extraordinary diversity of life on the planet, there must be mechanisms for speciation: the formation of two species from one originalspecies.
考虑到地球上的生命的非凡多样性，一定存在着形成物种的机制：从一个原始物种演变为两个物种。
2
Around 95% of the islands' originalspecies survive.
岛上大约95%的原始物种存活了下来。
3
Those hybrids appeared better at surviving eutrophication and soon outnumbered the originalspecies.