这种鱼以浮游生物为主食。
最早的有性繁殖生物是自由漂浮的浮游生物。
The first organisms that reproduced sexually were free-floating plankton.
有些地区虽然富含氮化合物，但浮游生物却很少。
Some areas, though rich in these nitrogen compounds, have few plankton.
海洋沉积物中浮游生物的这种变化标志着白垩纪和第三纪的分界线。
This change in plankton found in marine deposits is what marks the boundary between the Cretaceous and the Tertiary.
这本书有许多海洋动物的彩色照片，从浮游生物到小丑鱼乃至逆戟鲸。
This book has large color photographs of sea animals, from plankton to clownfish to orcas.
这些地区的铁含量特别低，海洋学家推测，铁的缺乏阻碍了浮游生物的繁殖。
These areas have particularly low concentrations of iron, and oceanographers hypothesize that this shortage of iron prevents plankton from thriving.
由于光在这些浮游生物身上产生反射，它们在海洋表面形成了五颜六色的图案。
Because of the way light reflects off the organisms, these phytoplankton create colourful patterns at the ocean surface.
然而，尽管当地铁浓度立即提高，在一个这样的区域实验释放铁化合物却没有产生大量的浮游生物。
However, an experimental release of iron compounds into one such area failed to produce a thriving plankton population, even though local iron concentrations increased immediately.
气态星球上可能存在巨型浮游生物。它们像小型飞船那样漂在厚厚的大气中，靠“吃”闪电获取能量为生。
There may be giant plankton on gaseous planets. They float in a thick atmosphere like small spaceships and live by "eating" lightning.
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.
浮游生物通常在海洋表面附近某些含氮化合物浓度足够高的区域大量繁殖，而海洋表面正是浮游生物生存的地方。
Plankton generally thrive in areas of the ocean with sufficient concentrations of certain nitrogen compounds near the surface, where plankton live.
临时或季节浮游生物是由鱼类，甲壳类动物和其他海洋动物的幼体组成的。
Temporary or meroplankton are made up of the larvae of fish, crustaceans and other marine animals.
一只海豹躲在浮游生物的幕面。
可见浮游生物是非常很快死亡。
这些抽象的形状正是浮游生物。
被浸没在海水中以后，浮游生物会被困在网筛之间。
When it's dipped into the sea, plankton are trapped between them.
水母吞食大量浮游生物，抢占小鱼小虾的食物来源。
The creatures devourhuge quantities of plankton, thus depriving small fish of the food they need."This
鉴于许多对浮游生物物种分类的估计是基于生物量。
Whereas many estimates about zooplankton had been based on biomass or functional groups, she has been trying "to put species back in the equation," she says.
不幸的是，珊瑚礁的处境比浮游生物也好不到那里去。
Unfortunately, the coral reefs aren't doing much better than the planktons.
席弗博士的实验室里堆满了装有湖水浮游生物的样品瓶子。
Dr Sceffer's laboratory is full of bottles containing samples of lake water brimming with plankton.
向海洋中倾倒铁以促进浮游生物生长来吸收大气中的二氧化碳。
Dump iron into the sea to boost plankton growth and soak up carbon dioxide from the atmosphere.
一种似乎具有很大收获可能性的微小的虾状浮游生物被称为鳞虾。
One type of plankton that seems to have great harvest possibilities is a tiny shrimp-like creature called krill.
浮游生物为地球上一些最小和最大的动物(其中包括蓝鲸)提供食物。
Plankton provides food for some of the smallest and biggest animals on the planet, including the Blue Whale.
这抑制了浮游生物的光和作用能力，会对地球的气候产生深远的影响。
This suppression of the plankton's ability to photosynthesize could have a profound effect on the Earth's climate.
日本小笠原群岛地处亚热带，一群西鳞白鲳正贴近海面追逐浮游生物。
Hunting for morsels of plankton a school of spadefish hovers near the surface off Japan's subtropical Bonin Islands.
随之而来勃发的浮游生物吸走了12c，碳同位素比率转向相反方向。
The subsequent plankton bloom sucked up the 12c and the isotope ratio veered off in the opposite direction.
浮游生物的生长和他们得到的阳光以及重要的营养元素铁元素等相关。
The growth of phytoplankton is kept in check by the amount of sunlight available for photosynthesis and the supply of crucial nutrients such as iron.
浮游生物的生长和他们得到的阳光以及重要的营养元素铁元素等相关。
The growth of phytoplankton is kept in check by the amount of sunlight available for photosynthesis and the supply of crucial nutrients such as iron.
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