Larger animals require more food than smaller animals, but smaller animals have a higher metabolic rate.
体型大的动物比体型小的需要更多食物，但体型小的动物有更高的代谢率。
The deep sea typically has a sparse fauna dominated by tiny worms and crustaceans, with an even sparser distribution of larger animals.
深海通常有稀疏的动物群，以微小的蠕虫和甲壳类动物为主，更大的动物分布更少。
The problem is that larger animals have larger brains.
问题是越大的动物脑袋越大。
Generally speaking, larger animals live longer than smaller animals.
一般来说，体形越大的动物越长寿。
However, some scientists are pushing into larger animals and primates.
但是一些科学家转而推动更大型动物和灵长类的相关研究。
My understanding is that doing this in larger animals has been more difficult.
我觉得在大点的动物身上做实验会更困难。
Black bears feed on leaves, herbs. Fruit, berries, insects, fish, and even larger animals.
黑熊以树叶、草、树根、水果、浆果、昆虫、鱼，甚至更大的动物为食。
When pups are six months old, they will start hunting larger animals with the rest of the pack.
幼狼六个月大时，就会开始和群体中的其他成员一起捕猎更大的动物。
They drift about lazily with the currents, providing a basic food for many larger animals.
它们随波逐流，为许多较大的动物提供了基本的食物。
Larger animals tend to use less energy per gram of body mass than smaller ones do, even at rest.
体型大的动物单位体重消耗的热量比体型小的动物更少，甚至在休息时也是如此。
She says numerous species are targeted, from turtles and snakes, along with much larger animals.
她说，除了大型的动物，像乌龟、蛇等许多小型的动物也是偷猎的对象。
Black bears feed on leaves, herbs, roots, fruit, berries, insects, fish, and even larger animals.
黑熊以树叶、草、树根、水果、浆果、昆虫、鱼，甚至更大的动物为食。
Larger animals tend to use less energy per gram of body mass than smaller ones do, even at rest.
体格庞大的动物与娇小的动物相比，即使在休息的过程中，也会消耗更少的能量。
Larger animals tend to use less energy per gram of body mass than smaller ones do, even at rest.
动物体积越大，它们的体重每克消耗的能量比体积小的要少得多，即使在休息的时候也是如此。
The treatment would need to be tested in larger animals before being tested in human trials, as well.
在进入临床测试前要在大型动物中进行测试。
The larger animals require less food per unit mass, more efficiently storing carbon than smaller animals.
较大的动物每单位质量需要的食物较少，却能比小型动物更有效地储存碳。
It seems that the larvae of moths and butterflies are popularly seen as resembling other, larger animals.
似乎蛾子和蝴蝶的幼虫经常会被看成与其它较大动物相似。
I actually have trouble protecting myself, especially from larger animals like lions and from humans who hunt me.
实际上，我并不善于自我保护，特别是当狮子那样的大型动物和人类猎捕我的时候。
Rider says he hopes to license the technology for trials in larger animals and for eventual human clinical trials.
赖德说他希望这项技术能允许用大动物进行试验且最终在人体上进行临床试验。
Many of the larger animals that were hunted by the early Indians began to die off with the end of the ice age.
随着冰河时期末期到来，印第安人捕杀的许多大型动物开始绝种。
Popping: This second method can only be used in young hatchlings - it doesn't work with older and larger animals.
跳跳：这第二个方法只能用于青年孵化-它不能与老年人和大型动物。
The technology "tends to work well in rodents, but moving it to larger animals gets more complicated," says Weir, who is not involved with the company.
这项技术“可能在老鼠身上应用良好，但挪到更大的动物身上，情况会更复杂。
The technology "tends to work well in rodents, but moving it to larger animals gets more complicated, " says Weir, who is not involved with the company.
这项技术“可能在老鼠身上应用良好，但挪到更大的动物身上，情况会更复杂。
If Marine species take up these radioactive particles faster than they break them down, the radiation can concentrate and affect larger animals that eat them.
如果海洋物种吸收放射颗粒的速度快于排出，放射性物质就能够聚集起来并影响食物链上层的大型动物。
Eventually, the humans found the bridge across the Bering Sea, about 2,000 years before the hyenas themselves, along with many other larger animals, died out.
最后，在鬣狗和许多大型动物灭绝前2,000年左右的时间，人们发现了横穿白令海峡的桥。
Not only do they have to make their journey quickly before the sun returns and exposes them as potential meals to larger animals, but they make this journey night after night after night.
他们要做的不仅仅是在太阳下山之前结束他们的旅行，以暴露在那些大的动物面前成为潜在的食物，而且他们将要日复一日地进行这样的旅行。
Not only do they have to make their journey quickly before the sun returns and exposes them as potential meals to larger animals, but they make this journey night after night after night.
他们要做的不仅仅是在太阳下山之前结束他们的旅行，以暴露在那些大的动物面前成为潜在的食物，而且他们将要日复一日地进行这样的旅行。
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