田纳西大学生态学和进化生物学教授唐·史密斯说：“只有一小部分外来物种会在新栖息地引发问题。”
"Only a small percentage of alien species cause problems in their new habitats," said Don Smith, professor of ecology and evolutionary biology at the University of Tennessee.
“只有一小部分外来物种会在它们的新栖息地引发问题。”田纳西大学生态学和进化生物学教授唐·史密斯说。
"Only a small percentage of alien species cause problems in their new habitats,'' said Don Smith, professor of ecology and evolutionary biology at the University of Tennessee.
这是波士顿大学生态学与保护生物学中心的网站。
This is the website for Center for Ecology and Conservation Biology, Boston University.
——哈曼·辛格·吉尔，博士，石溪大学生态学及进化论系。
AMAN SINGH GILL, Ph.D. student in the ecology and evolution department at Stony Brook university.
“想像你每天和同样的三个人出去玩，”珀拉德补充道，他是洛杉矶加州大学生态学与进化生物学学院的一名研究人员。
"Imagine if you hung out with the same three people every day," added Pollard, a researcher in the Department of Ecology and Evolutionary Biology at the University of California, Los Angeles.
它为大学生提供了人类生态学方面的课程、证书和文凭。
It provides courses, postgraduate diploma and postgraduate certificate in human ecology.
它为大学生提供了人类生态学方面的课程、证书和文凭。
It provides courses, postgraduate diploma and postgraduate certificate in human ecology.
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