1·A few hardy species wiped out many of the Mediterranean invertebrates.
少数顽强的物种消灭了许多地中海无脊椎动物。
2·Therefore, they need the stopover habitat—the shallows, the sandbars, the security, the corn and invertebrates—to complete their arduous yearly cycle.
因此，它们需要这个中途停留的栖息地——浅滩、沙洲、安全、玉米和无脊椎动物——来完成年复一年的努力。
3·Small fish and invertebrates also graze on the plant-like organisms, and then those smaller animals are eaten by bigger ones.
小鱼和无脊椎动物也以这些植物类生物为食，然后则是众所周知的小鱼吃虾米，大鱼吃小鱼。
4·Whales and other Marine mammals, fish, and even some invertebrates depend on sound, which travels much farther in water than light does.
鲸鱼和其他海洋哺乳动物，鱼类甚至一些无脊椎动物依靠声音，声音在水中传播要比光快。
5·Each morning they rise up in vast, graceful waves and fly to fields nearby, where they spend their days assiduously feeding on waste corn the harvesters missed and earthworms and other invertebrates.
每天早上，它们从广阔优美的波浪中起飞，飞到附近的田野，全力以赴地吃着收获者遗留下来的玉米和蚯蚓及其它无脊椎动物。