Each time, more than three-quarters of all species 每一次 超过四分之三的物种
Competition, both within and between species, 物种内及物种间的竞争
Then a new species of caterpillar evolves... 然后一种新的毛虫进化而生
an entirely new species, better adapted to its environment. 更适应其环境的物种
And yet, they are just 1% of all species that have ever existed. 但这只是曾经存在过的物种中的1%
There are more than ten million species of plant and animals alive today. 如今 超过1000万种动植物 生活在地球上
With the preservation of species, soils and landscapes. 和保护物种 土壤 地貌相一致
They are an essential link in the chain of species. 他们是物种链中不可缺少的一环
By 2050, a quarter ofthe earth's species... 到2050年 地球上四分之一的物种