搜索结果: 1-6 共查到“国际动态 理学 Mass extinction”相关记录6条 . 查询时间(0.118 秒)
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Sentinels of ocean acidification survived Earth's last mass extinction(图)
Sentinels ocean acidification survived Earth last mass extinction
2020/10/10
Two groups of tiny, delicate marine organisms -- sea butterflies and sea angels -- were surprisingly resilient in the face of dramatic global climate change and Earth's most recent mass extinction eve...
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Mass extinction of land and sea biodiversity 250 million years ago not simultaneous(图)
Mass extinction land sea biodiversity 250 million years ago simultaneous
2019/12/13
Some 250 million years ago, simultaneous mass extinctions of marine and terrestrial life occurred in an event known as the End-Permian. Or so scientists believed.New research led by Colby College geol...
In the past 540 million years, the Earth has endured five mass extinction events, each involving processes that upended the normal cycling of carbon through the atmosphere and oceans. These globally f...
Study explores ancient ecosystem response to a “big five” mass extinction, calls for modern food web research
ancient ecosystem big five mass extinction modern food web research
2015/10/13
As the planet faces the dawn of a sixth mass extinction, scientists are searching for clues about the uncertain road ahead by exploring how ancient ecosystems collapsed and bounced back from traumatic...
Cougars' diverse diet helped them survive the Pleistocene mass extinction
Cougars' diverse diet survive Pleistocene mass extinction
2014/5/13
Cougars may have survived the mass extinction that took place about 12,000 years ago because they were not particular about what they ate, unlike their more finicky cousins–the saber-tooth cat and Ame...
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Dramatic shift from simple to complex marine ecosystems occurred 250M years ago at mass extinction(图)
marine species ecology
2006/12/8