"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.

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。”

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"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。

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He says his team's research is influenced by questions in evolutionary biology about why people and groups use costly punishment.

VOA: special.2009.03.03

And this is one of the major revolutions in evolutionary biology over the last half century.

这是过去半个世纪,进化生物学的重大进步之一。

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It is no wonder then, that intentionality is such an emotive issue for evolutionary biology.

FORBES: Evolution and Embodied Physiology

The question why human beings are collaborative continues to bedevil the field of evolutionary biology.

FORBES: 'Work' and 'Home' Are Not True Distinctions

The researchers published their work in the current issue of the Journal of Evolutionary Biology.

ECONOMIST: Evolutionary biology