科学与环境
Solving the mystery behind a flightless beetle's transatlantic journey
来源: Phys.org - latest science and technology news stories · 发布于
They can't fly or swim, so why do their closest relatives appear on different continents? Grey Gustafson, an associate professor in the Department of Biological Sciences, discovered through DNA sequencing that the ancestors of some of today's tiger beetles existed in South Americ
They can't fly or swim, so why do their closest relatives appear on different continents? Grey Gustafson, an associate professor in the Department of Biological Sciences, discovered through DNA sequencing that the ancestors of some of today's tiger beetles existed in South America and Africa before the two continents separated. What's more, North America's largest tiger beetles are related to these ancestral South American giant tiger beetles.
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