世界上大多数的海洋沉积物不是含有浮游生物就是含有大量的蕨类孢子，但它们并不是同时存在于同一层中。
Most marine deposits from around the world contain either plankton or a lot of fern spores but not both together in the same layer.
在世界上所有的海洋，包括北冰洋，尾海鞘都是出没在浮游植物密度最大的水域表面。
Found in all the oceans of the world, including the Arctic Ocean, appendicularians tend to remain near the water's surface where the density of phytoplankton is greatest.
上图就是旧金山海湾的一个浮游生物网内聚集的单细胞植物硅藻——这种藻类在世界各大海洋都广泛分布。
The single-celled diatoms below—the likes of which are found in oceans worldwide—were collected with a plankton net in San Francisco Bay.
然而，这里却有着两栖的企鹅和海豹以及丰富的海洋生命—包括从被称为浮游生物的微小生物，直到迄今所知世界上最大的动物蓝鲸。
However, there are amphibious penguins and seals and a rich Marine life, ranging from the minute organisms called plankton to the biggest creature the world has ever known, the blue whale.
这些被称为浮游植物的微生物，吸收二氧化碳产生世界上一半的氧气量——这等于陆地上的植物和树木所产生的氧气量。
The tiny organisms, known as phytoplankton, also gobble up carbon dioxide to produce half the world's oxygen output-equaling that of trees and plants on land.
作为世界上第二大的鱼类，姥鲨张着大嘴来捕捉漂流而过的浮游生物。
The second largest fish in the world, it basks with its mouth open wide to catch plankton drifting by.
萨芬娜说，全世界范围内，人们吸入的氧气有50%来自细小的海洋浮游生物。
Worldwide, Safina said, about half of the oxygen we breathe in is from microscopic plankton that live in the ocean.
现在还没有人认真说过“浮游生物汉堡”会很快在世界上流行起来。
No one yet has seriously suggested that "plankton-burgers" may soon become popular around the world.
然而，这里却有着两栖的企鹅和海豹以及丰富的海洋生命—包括从被称为浮游生物的微小生物，直到迄今所知世界上最的动物蓝鲸。
However, there are amphibious penguins and seals and a rich Marine life, ranging from the minute organisms called plankton to the biggest creature the world has ever known, the blue whale.
浮游生物数十亿吨的被称为“浮游生物”的小动物、植物散布在世界的海洋中。
Scattered through the seas of the world are billions of tons of small plants and animals called plankton.
浮游生物数十亿吨的被称为“浮游生物”的小动物、植物散布在世界的海洋中。
Scattered through the seas of the world are billions of tons of small plants and animals called plankton.
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