人类在生物链中扮演了什么角色？
一些科学家认为，人类处于生物链的顶端。
Some scientists think that human beings is lying the top of biological chain.
这种海洋无脊椎动物是海洋生物链中重要的一环。
The Marine invertebrates are important links in the Marine food chain.
探讨“食野习俗”及其引发的生物链缺失问题。
This paper study on the habitude of cooking wild animal and the faultiness of food Chain.
原野上的生物如今都被驱离，各散一方，生物链被打破了。
Creature on the wild field was expelled and dispersed far. Biological chain was broken.
然而，正是这个理论恰恰证明，人类在地球的生物链中的位置并不重要。
However, the theory does just prove that the site of human beings in biological chain on the earth is not important.
基于存在于自然界的生物链及生物技术原理，提出了产品再生生态链和重构基因；
In accordance with the biological chain in nature and the biological technology, the product reproducing ecological chain and the reconfigurated gene are put forward in this paper.
鸟类是人类最好的朋友之一，它们不但是许多害虫的天敌，自然生物链重要一环。
Birds are one of mankind's best friends, not only are they the natural predator of many types of harmful insects, they are one of the most important links in nature's food chain.
科学家已经证实生物钟机制存在于整个生物界——从生物链顶端的人类到低等生物海藻。
Scientists have identified the mechanism that controls the internal 24-hour clock of all forms of life — from us to algae.
如果生物链的一头断了，那么另一种动物就会大肆繁殖，甚至威胁到人类，大家记住保护动物。
If a broken food chain, then another will wantonly breeding animals, and even a threat to humanity, we bear in mind the protection of animals.
万物都是环境的产物，地理、气候、水质、土壤、生物链等构成的生态环境是物种成型的前提和关键。
Everything is product of the environment. The prerequisite and key of species forming is the ecological environments, such as geography, climate, water, soil, biological chain and so on.
这些化石揭示了生物链的底层被三叠纪后期海洋生物群典型物种所掌控，这不同于之前的世纪里的动物。
The fossils show that the bottom of the food chain was dominated by species typical of later Triassic Marine faunas - such as crustaceans, fishes and bivalves - and different from preceding ones.
接下来，我们不得不考虑为什么地球上必须有智能生物，而这种智能生物在生物链或生物圈中处于什么位置。
Next, we'll have to ponder why there must be wise mammals on the earth existing, and what site of wise mammals lie in the biological chain or biological circle.
接下来，我们不得不考虑为什么地球上必须有智能生物，而这种智能生物在生物链或生物圈中处于什么位置。
Next we'll have to ponder why there must be wise mammals on the earth existing and what site of wise mammals lie in the biological chain or biological circle.
环境中的重金属离子难以被微生物降解，通过生物链的累积进入人体，严重威胁着人们的身体健康及生命安全。
Heavy metals in the environment are difficult to degrade, which can be accumulated into the human body through the food chain, leading a serious threat to people's health and life.
共同消亡也有可能发生在当一个物种失去了它们的授花粉器，或者是肉食性动物在其生物链上失去了它们的猎物。
Coextinction can also occur when a species loses its pollinator, or to predators in a food chain who lose their prey.
共同消亡也有可能发生在当一个物种失去了它们的授花粉器，或者是肉食性动物在其生物链上失去了它们的猎物。
Coextinction can also occur when a species loses its pollinator, or to predators in a food chain who lose their prey.
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