Plankton play a vital role in the food chain.
浮游生物在食物链中起着重要的作用。
All of nature participates in the food chain, except humanity.
大自然的所有部分都参与食物链，除了人类。
In the environment, dioxins tend to accumulate in the food chain.
在环境中，二恶英容易聚积在食物链中。
More research should also be done into pathogen survival in the food chain.
在食品生产链条各环节存活致病菌状况也需要进一步的研究。
Selenium is a trace mineral that is found in the soil and becomes absorbed in the food chain.
硒是一种微量元素，土壤含量丰富，可由食物链吸收。
My wife reports that middlemen in the food chain are mostly responsible for the food price increases.
我太太说食品链中的中间商应该对价格上涨负主要责任。
There are unknowns in this too, such as the degree to which radioactivity will become concentrated in the food chain.
也还有一些未知影响在里面，像是放射物在食物链里的富集程度。
We link ourselves to all living beings on the planet through theprocess of eating and being a participant in the food chain.
我们进食，成为食物链的一环，所以与地球上的万物生灵息息相通。
We link ourselves to all living beings on the planet through the process of eating and being a participant in the food chain.
食物形成的过程将我们人类与地球上其他生物密切联系在一起，我们也是食物链的一环。
Often these are minute flying insects that are extremely short-lived, but during that time they serve a purpose in the food chain.
通常这些都是飞行的虫子，极其短暂的生命，但是在那个时期它们在食物链里服务了一个目的。
Some animals, such as deer, goat and pig, are the food that are eaten by lion, tiger and other predators in the food chain of nature.
鹿、羊、山猪等动物在食物链中，就是作为狮子、老虎、花豹等掠食性动物的财富。
Dioxins are found throughout the world in the environment and they accumulate in the food chain, mainly in the fatty tissue of animals.
在全球环境中均可发现二恶英，二恶英聚积在食物链中，主要存在于动物脂肪组织内。
Amy Hatkoff's insightful book addresses a question we've finally started asking: just how evolved is our place in the food chain, anyway?
艾米·哈特·考夫这本极具洞察力的书解决了我们最终开始问的一个问题：我们在食物链中到底扮演什么角色啊？
What is clear is that both organic and conventional foods are susceptible to contamination by pathogenic microorganisms at every point in the food chain.
不过有一点是很清楚的，无论是有机食品还是常规食品在它们生产链条的每一个环节都有可能被致病微生物污染。
ISO 22000 is suitable for the food chain in any tissue, including direct or indirect involvement in the food chain in one or more link organization.
ISO 22000适用于食物链中的任何组织，包括直接或间接介入食物链中一个或多个环节的组织。
There has to be efforts to reduce food wastage. Changes will have to take place in the food chain-production, storage, transportation and consumption.
必须采取措施减少食物浪费，必须改变食物链生产、储存、运输和消费。
Just like the animals connected in the food chain, there is also a relationship like the food chain supposed to exist between the strong and the weak.
如同动物之间通过食物链相联系，人与人之间也出现了一种类似食物链的关系。
He said the new findings was opening up a "huge frontier" in science that could help explain changes in the food chain, weather patterns and carbon cycles.
他说新发现开拓了科学上的一个“新前沿”，这将可能解释到食物链、气候模型以及碳循环的变化。
Well, before you start asking your dog why it can't be more Stoic like animals half its size, it's probably worth considering each animal's place in the food chain.
在你问“为什么狗不能比身材不及它一半的动物更坚强”之前，应该思考一下狗在食物链中的位置。
POPs persist in the environment for many years, travel long distances and accumulate in the food chain causing harm not only where they are produced and used, but globally.
持久性有机污染物能在环境中存在许多年，长距离传播，并通过食物链累积，造成的损害不仅限于生产和使用它们的地方，而是在全世界范围。
However, some of the genes used to manufacture GM foods have not been in the food chain before and the introduction of new genes may cause changes in the existing genetic make-up of the crop.
然而，用于生产转基因食品的一些基因以前从未出现在食品链中，因此，采用新基因可能改变农作物现有的遗传基因。
In theory, that increase in wind and current strength would make for more mixing within the lake and, in turn, a boost in the growth of organisms that make up the earliest links in the food chain.
理论上，风和气流的增强会在湖中制作更多的混合物，这使得湖中有机物快速增长，形成较短的食物链。
The following appeared in a memorandum written by the vice president of Health Naturally, a small but expanding chain of stores selling health food and other health-related products.
Health Naturally 公司是一家销售健康食品和其他健康相关产品的连锁店，规模虽小，但正在不断扩大。
The whole food chain is affected by the overuse of chemicals in agriculture.
整个食物链因农业中过度使用化学制品而受到影响。
As a result, pastoralists, like carnivores in general, occupy a higher position on the food chain.
因此，牧民和广义的食肉动物一样，在食物链中地位更高。
These tiny things form the base of the food chain and play an important role in the global carbon cycle.
这些微小的东西构成了食物链的基础，并在全球碳循环中发挥着重要作用。
As in the sea, it seems that on the land one key food chain collapsed: the one with leaves as its basic raw material.
和在海洋中一样，陆地上一个关键食物链，一个以树叶为基本原料的食物链似乎也崩坏了。
I remembered learning about the food chain in the 7th grade.
我记得在七年级时学过有关食物链的知识。
They replaced other minute organisms as a food source in the major marine food chain.
它们取代了其他微小生物，并成为了主要海洋食物链的食物来源。
This disruption of food chain and climate would have eradicated the dinosaurs and other organisms in less than fifty years.
这种对食物链和气候的极大干扰将会使恐龙和其他生物在不到50年的时间内绝迹。
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