Yet animals like sheep or goats eat weeds, so they can provide a biological control. Insects and other organisms can also act as biological controls.
然而，像绵羊或山羊之类的动物会吃杂草，因此它们可以起到生物控制作用。昆虫和其他生物也可以起到生物控制作用。
A usually short narrative making an edifying or cautionary point and often employing as characters animals that speak and act like human beings.
寓言一种通常短小的故事，用来表示启发或谨慎的观点，常利用说话或有人的行为的动物为角色。
A usually short narrative making an edifying or cautionary point and often employing as characters animals that speak and act like human beings.
寓言一种通常短小的故事，用来表示启发或谨慎的观点，常利用说话或有人的行为的动物为角色。
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