The caterpillars feed on a wide range of trees, shrubs and plants.
毛虫以各种树木、灌木丛和植物为食。
The ants therefore cultivate these fungi in their nests, bringing them leaves to feed on, and then use them as a source of food.
"因此，蚂蚁在它们的巢中培养这些菌类，用叶子喂养它们，然后把它们当作食物来源。
Some animals feed on plants, while others feed on these herbivores.
有些动物以植物为食，而另一些动物又以这些食草动物为食。
Pythons mainly feed on birds and small mammals.
蟒主要吃鸟和小的哺乳动物。
What do the Arctic foxes mainly feed on?
北极狐主要吃什么？
松鼠以坚果为食。
Butterflies feed on a sweet liquid produced by flowers.
蝴蝶以花朵产生的甜液为食。
Butterflies feed on a sweet liquid produced by flowers, which bees and other insects collect.
蝴蝶以花蜜为食，蜜蜂和其他昆虫收集花蜜。
For instance, several kinds of birds feed on insects flushed out of the grass by grazing cattle.
例如，几种鸟类以被放牧牛驱赶的昆虫为食。
These animals shred the prey that fall into the pitcher, and the smaller organisms feed on the debris.
这些动物撕碎掉到水罐里的猎物，而小一些的生物则以残骸为食。
The crabs come closer to shore at this time of year, Child said, where they feed on the seaweed.
螃蟹在每年的这个时候会靠近海岸，恰尔特说，在那里它们以海草为食。
As hare density increases, the quantity of these twigs decreases, forcing the hares to feed on low-quality high-fiber food.
随着野兔密度的增加，这些树枝的数量减少，迫使野兔以低质量的高纤维食物为食。
The bugs, which are less than a millimetre long, feed on scales of human skin and produce allergens which are easily inhaled during sleep.
这些体长不超过一毫米的虫子以人类皮肤的鳞屑为食，并且产生的过敏原在睡眠时很容易被吸入。
This means that king penguins, which feed on fish and krill in this body of water, have to travel further to their feeding grounds, leaving their hungry chicks for longer.
这就意味着，以这片水域中的鱼类和磷虾为食的帝企鹅，必须去到更远的地方觅食，而饥饿的幼崽则需要等待更长的时间。
昆虫吃植物。
牛以草为食。
Owls feed on mice and other small animals.
猫头鹰以老鼠和其他的小动物为食。
Do camels feed on grass like horses do?
骆驼像马一样以草为食吗？
They feed on fruits and young leaves of bamboos.
它们以竹子的果实和嫩叶为食。
Tibetan Antelopes Tibetan antelopes (藏羚羊) mainly feed on grass.
藏羚主要以草为食。
Natural selection favors the parasites that are best able to find and feed on hosts.
自然选择偏爱那些最容易找到寄主并以之为食的寄生虫。
Nature, however, is very clever, and predators also use colors to attract the animals they feed on.
然而，大自然是非常聪明的，捕食者也会用颜色来吸引它们捕食的动物。
They feed on tiny things in sea water and help to keep the water clean in the process.
它们以海水中的微小物体为食，并在这个过程中帮助保持海水的清洁。
The destruction of coral through land use activities would cause a decrease in the number of predators that feed on Acanthaster larvae.
通过土地利用活动对珊瑚的破坏会导致以棘星幼虫为食的捕食者数量减少。
They prefer to stay in the cool shelter of the jungle, coming out at night to feed on the vegetation on the fringe of the jungle.
它们喜欢待在丛林凉爽的遮蔽处，晚上出来吃丛林边缘的植被。
The Washington Post reported, one of the main reasons, experts say, is that farmers have used herbicides on the milkweed plants that these butterflies feed on.
《华盛顿邮报》报道，专家说，主要原因之一是，农民对马利筋植物使用除草剂，而这些蝴蝶以马利筋植物为食。
One of the concrete ways people have been doing this is by cleaning up polluted habitat areas and then replanting native flowers that humming birds feed on.
人们一直以来采取的保护蜂鸟栖息地的具体措施之一是清理受到污染的栖息地，然后重栽蜂鸟赖以生存的花草。
Birds feed on worms. A bird will go hungry if it cannot catch worms. The bird that gets up early is sure to get some food, so the early bird catches the worm.
鸟以虫为食。鸟捉不到虫就会饿。早起的鸟儿定能得到食物，因此早起的鸟儿有虫吃。
The lutrine opossum and Patagonian opossum primarily feed on other animals.
水獭的负鼠和巴塔哥尼亚负鼠主要以其他动物为食。
He says most people do not know that female mosquitoes feed on sweet plant nectars to survive.
他说，大部分人不知道，雌性蚊子通过食用甜味植物的花蜜来生存。
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