The algae die and the food chain collapses. 藻类死亡 食物链因此崩溃
Food is not evenly distributed in the tropical shallow seas and it can take a lot of finding 食物在热带海域的分布并不平均 所以要找到食物也不容易
and they can also help in clearing away sand when searching for food. 并且它的胸鳍还可以在找寻食物的时候清理砂子
Killing a competitor makes sense if you want to protect your food supply 捕杀敌人虽然有利于保证自己的食物供给
and a lot of food supports lots of chimps. 大量的食物养育了大量的黑猩猩
In their search for food chimpanzees move effortlessly between the forest floor and the canopy. 非洲黑猩猩不仅在地表上也在树冠层上寻找食物
Forest elephants roam great distances in their search for food 森林象长途跋涉来寻找食物
but finding enough food to survive is so challenging that most animals living here tend to be small 但由于寻找食物是个巨大的挑战 因此很多雨林生物都长得很小巧