Evolution - Warm-hearted crocs

被引:18
|
作者
Summers, AP [1 ]
机构
[1] Univ Calif Irvine, Dept Ecol & Evolutionary Biol, Irvine, CA 92697 USA
关键词
Natural sciences - Physiology;
D O I
10.1038/434833a
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Our ideas about how crocodiles evolved have just taken a battering. It seems that these cold-blooded creatures, with their limited capacity for prolonged activity, might have had active, warm-blooded ancestors.
引用
收藏
页码:833 / 834
页数:2
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