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Curr Biol. 2008 Mar 25;18(6):R246-7. doi: 10.1016/j.cub.2008.01.038.

Biological invasions: paradox lost and paradise gained.

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  • 1Department of Bioagricultural Science and Pest Management, Colorado State University, Fort Collins, Colorado 80523-1177, USA.


A new study shows how an invasive snail species accrues elevated genetic variation for key life-history traits through multiple introductions and outcrossing to create genetically novel offspring. Furthermore, the invaders' offspring follow a unique life-history strategy that may enhance their ability to invade.

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