With the growth of human population,the number of species has decreased rapidly in America,and some species have even vanished from our planet.
There are several possible reasons for e all,as the human population grows rapidly,a growing number of people came to live where some wild species have been these species have to move to other of them probably can not adapt to the new environment and die.
隨着人口的增長，物種的`數量在美國迅速減少，一些物種甚至在地球上消失了。
這有幾個原因。首先，隨着人口迅速增長，越來越多的人來到住在一些野生物種的生活。那麼這些物種遷移到其他地方。他們中的一些人可能不能適應新環境而死亡。
