动物为什么会灭绝文章(英文的,100个单词左右)

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动物为什么会灭绝文章(英文的,100个单词左右)

Today,the human species,one of millions of life forms on this planet,is threatening the very existence of many other species.As the human population grows,more and more of the Earth's living space,food,and other resources are consumed,causing great competition to wildlifes which may drive them to extinction.
Furthermore,humans deplete wildlife populations by capturing or killing individuals for their own use.Animals are killed for food,fur,feathers,oil,medicines,crafts,and a host of other uses.They are also shot to stop them from killing livestock,or simply for recreation.
Pollution caused by humans also threathen the existence of wildlife by degrading the natural habitat of the animals to an extent where the place no longer support the species it once did,leaving the animals to go extinct.