As you travel towards the poles north or south the colder, stormier seas can become even richer. 当你朝南北两极旅行 更冷,更多风暴的海域才是更加富饶的
jungles have become the home of the specialist. 雨林也变成了许多非常特别的动物的家
The fungi become food for others like these beetle larvae. 象这种甲虫及幼虫就以菌类为食
Without rain, these plains can become dust bowls. 由于缺乏雨水 这里的草原变成了黄尘地带
Normally it takes four weeks for hoppers to become adults, 一般说来 若虫需要 经过4周才能变成成虫
they have become important shelters for many species. 它们也成了许多动物的重要庇护所
In these conditions a diver could easily become disorientated 在这种情况下 潜水员很容易迷失方向
Since the last Ice Age they've become cut off from the outside world. 自从上一个冰川期以来 它们便已和外界隔绝
These in turn become food for giant cave centipedes, 这些蟑螂也接连成为了 洞穴大蚰蜒的美餐