不过,要想确定确切的人类演化时间和哪些南方古猿物种参与了演化,仍是极具挑战性的课题。
Now the most human-like australopithecine found to date is clarifying things-and staking aclaim to be the species from which early humans evolved.
目前,迄今为止发现的与人类最为相似的南方古猿正逐渐解开这团迷雾它阐明了早期人类是由哪个物种演化而来的。
Fossils of the new species, Australopithecus sediba, were discovered in 2008 in a cave inSouth Africa. Initial research, led by Lee Berger of the University of the Witwatersrand, inJohannesburg, concluded that the species came too late in the fossil record to be theancestor of the Homo lineage.
2008年在南非一个洞穴内发现一个新物种化石,称做南方古猿sediba。约翰内斯堡金山大学的李伯格尔领导的最初研究结果表明南方古猿sediba在化石记录中出现的年份过晚而无法被认定为人类的祖先。
This week, however, a range of new research into sediba, again led by Dr Berger, has beenpublished in Science.
然而本周,李伯格尔博士领导的一系列关于sediba的最新研究成果在《科学》杂志上发表。
These studies conclude that sediba did in fact predate Homo erectus and, moreover, thatparts of its anatomy are surprisingly similar to modern man.
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