Some areas, though rich in these nitrogen compounds, have few plankton.(有些地區雖然富含氮化合物，但浮游生物卻很少。)

The fish live on the plankton.(這種魚以浮游生物為主食。)

Doubts about how deep the plankton would sink have raised questions on how permanent a solution it would be.(對浮游生物能下沉多深的疑問使人們質疑這個方法在長期內的有效性。)

So we know this plankton is very dange rous.(可見浮游生物是非常很快死亡。)

Plankton provides food for some of the smallest and biggest animals on the planet, including the Blue Whale.(浮游生物為地球上一些最小和最大的動物(其中包括藍鯨)提供食物。)

Dump iron into the sea to boost plankton growth and soak up carbon dioxide from the atmosphere.(向海洋中傾倒鐵以促進浮游生物生長來吸收大氣中的二氧化碳。)

The gentle giants are filter feeders, swimming with their wide mouths open to collect plankton and small fish.(它——溫和的巨人，是濾食動物，通過在游泳時張大嘴巴來捕食浮游生物與小魚。)

A sea leopard behind a curtain of plankton.(一只海豹躲在浮游生物的幕面。)

It has large color photographs of sea animals, from plankton to clownfish to orcas.(在書里，有著許多海洋動物的彩色照片，從浮游生物到小丑魚乃至逆戟鯨。)

Most marine deposits from around the world contain either plankton or a lot of fern spores but not both together in the same layer.(世界上大多數的海洋沉積物不是含有浮游生物就是含有大量的蕨類孢子，但它們并不是同時存在于同一層中。)