作业帮求一篇关于保护濒危动物的英文作文,80词左右,
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求一篇关于保护濒危动物的英文作文,80词左右,
求一篇关于保护濒危动物的英文作文,80词左右,
求一篇关于保护濒危动物的英文作文,80词左右,
Animals are natural resources that people have wasted all through our history.Animals have been killed for their fur and feathers,for food,for sport,and simply because they were in the way.Thousands of kinds of animals have disappeared from the earth forever.Hundreds more are on the danger list today.About 170 kinds in the United States aloneare considered in danger.
Why should people care?Because we need animals,and because once they are gone,there will never be any more.Animals are more than just beautiful or interesting.They are more than just a source of food.Every animal has its place in the balance of nature.Destroying one kind of animal can create many problems.For example,when farmers killed large numbers of hawks,the farmers' stores of corn and grain were destroyed by rats and mice.Why?Because hawks eat rats and mice,with no hawks to keep down their numbers,the rats and mice multiplied quickly.